added authentication, added a test client application

circle/occi/forms.py

+from django.contrib.auth.forms import AuthenticationForm
+from django.contrib.auth import login
+
+
+class OcciAuthForm(AuthenticationForm):
+    def __init__(self, request, *args, **kwargs):
+        super(OcciAuthForm, self).__init__(*args, **kwargs)
+        self.request = request
+
+    def confirm_login_allowed(self, user):
+        super(OcciAuthForm, self).confirm_login_allowed(user)
+        login(self.request, user)

circle/occi/occi_client_example.py

+import requests
+from requests.exceptions import ConnectionError
+import json
+import urllib3
+
+# Mivel nincs a devenv-nek SSL tanusitvanya, ezert az urllib3 csomag minden keresnel
+# InsecureRequestWarning-ot adna. Ezt elkeruljuk ugy, hogy kikapcsoljuk a
+# figyelmezteteseket
+# urllib3.disable_warnings()
+
+# A szerver base url-je es a felhasznalo adatai
+server = "https://vm.ik.bme.hu:15766/occi/"
+username = "admin"
+password = "retekretek"
+loginData = {"username": username, "password": password}
+
+# Csinalunk egy sessiont, hogy a cookie ami az auth-ert felelos automatikusan benne
+# maradjon az osszes keresunkben
+with requests.Session() as session:
+    try:
+        # Bejelentkezes
+        headers = {"Content-Type": "application/json"}
+        req = session.post(server + "login/", data=json.dumps(loginData),
+            headers=headers, verify=False)
+        print("login")
+        print("-----")
+        print("status_code: " + str(req.status_code))
+        if req.status_code == 200:
+            print(json.loads(req.text)["result"])
+        else:
+            print(json.loads(req.text)["result"])
+            errors = json.loads(req.text)["errors"]
+            for error in errors:
+                print(error)
+        print
+
+        # Gep ebresztes teszt (meg nem OCCI)
+        req = session.get(server + "wakeup/", verify=False)
+        print("wakeup")
+        print("------")
+        print("status_code: " + str(req.status_code))
+        print(req.text)
+        print
+
+        # Gep altatas teszt (meg nem OCCI)
+        req = session.get(server + "sleep/", verify=False)
+        print("sleep")
+        print("-----")
+        print("status_code: " + str(req.status_code))
+        print(req.text)
+        print
+
+        # Kijelentkezes
+        req = session.get(server + "logout/", verify=False)
+        print("logout")
+        print("------")
+        print("status_code: " + str(req.status_code))
+        print(json.loads(req.text)["result"])
+    except ConnectionError as e:
+        print(e)

circle/occi/occi_core.py

-def set_optional_attributes(self, optional_attributes, kwargs):
-    for k, v in kwargs.iteritems():
-        if k in optional_attributes:
-            setattr(self, k, v)
+""" Implementation of the OCCI - Core model classes """
+
+
+from occi_utils import set_optional_attributes
 
 
 class Attribute:

circle/occi/occi_infrastructure.py

+""" Implementation of the OCCI - Infrastructure extension classes """
+
+
+from occi_core import Resource
+
+
+class Compute(Resource):
+    """ OCCI 1.2 - Infrastructure extension - Compute """
+    def __init__(self, vm):
+        """ Creates a Compute instance of a VM instance object """
+        self.location = "/compute/%d" % (vm.pk)
+        self.vm = vm

circle/occi/occi_utils.py

+"""" Utilities for the OCCI implementation of CIRCLE """
+
+
+def set_optional_attributes(self, optional_attributes, kwargs):
+    """ Sets the optional arguments of an instance.
+        If the kwargs dictionary has any values with the keys defined in
+        the optional_attributes tuple, it sets them on the instance """
+    for k, v in kwargs.iteritems():
+        if k in optional_attributes:
+            setattr(self, k, v)

circle/occi/urls.py

 from django.conf.urls import url
-from views import testView
+from views import OcciLoginView, OcciLogoutView, WakeUpVM, SleepVM
 
 
 urlpatterns = [
-        url(r'^test$', testView.as_view()),
+    url(r'^login/$', OcciLoginView.as_view()),
+    url(r'^logout/$', OcciLogoutView.as_view()),
+    url(r'^wakeup/$', WakeUpVM.as_view()),
+    url(r'^sleep/$', SleepVM.as_view()),
 ]

circle/occi/views.py

-from django.shortcuts import render
+""" The views of the OCCI implementation of CIRCLE.
+    These views handle the http requests of the API. """
+
+
 from django.views.generic import View
-from django.http import HttpResponse
+from django.contrib.auth import logout
+from django.http import HttpResponse, JsonResponse
+from vm.models.instance import Instance
+from common.models import HumanReadableException
+from forms import OcciAuthForm
+import json
+
+
+# TODO: csrf token
+class OcciLoginView(View):
+    """ Authentication for the usage of the OCCI api.
+        This view responds with 200 and the access token in a Cookie if the
+        authentication succeeded, and with 400 if the provided username and
+        password is not valid. """
+    def get(self, request, *args, **kwargs):
+        """ Returns a response with a cookie to be used for requests other
+            than get. """
+        result = {"result": "OK"}
+        return JsonResponse(result)
+
+    def post(self, request, *args, **kwargs):
+        data = json.loads(request.body.decode("utf-8"))
+        """ Returns a response with a cookie to be used for the OCCI api
+            requests. """
+        form = OcciAuthForm(data=data, request=request)
+        if form.is_valid():
+            result = {"result": "OK"}
+            return JsonResponse(result)
+        else:
+            errors = dict([(k, [unicode(e) for e in v])
+                           for k, v in form.errors.items()])
+            result = {"result": "ERROR", "errors": errors["__all__"]}
+            return JsonResponse(result, status=400)
+
+
+class OcciLogoutView(View):
+    """ Logout """
+    def get(self, request, *args, **kwargs):
+        logout(request)
+        result = {"result": "OK"}
+        return JsonResponse(result)
+
+
+class WakeUpVM(View):
+    """ A test service which gets a VM to wake up """
+    def get(self, request, *args, **kwargs):
+        vm = Instance.objects.get(pk=6)
+        try:
+            vm.wake_up(user=request.user)
+        except HumanReadableException as e:
+            return HttpResponse(e.get_user_text(), status=400)
+        return HttpResponse("Virtual machine waked up")
 
 
-# Create your views here.
-# MY VIEWS ARE SOOOO GOOD
-class testView(View):
-    """ This view is a big test """
+class SleepVM(View):
+    """ A test service which gets a VM to sleep """
     def get(self, request, *args, **kwargs):
-        return HttpResponse('<!DOCTYPE html><html lang="hu"><head>'
-                            '<title>TEST</title></head>'
-                            '<body style="background: black; color: white'
-                            '; text-align: center;"><h1>TEST</h1><p>'
-                            'Csilli-villi service</p></body></html>')
-
-class startVM(View):
-    """ A test service, which starts a VM """
+        vm = Instance.objects.get(pk=6)
+        try:
+            vm.sleep(user=request.user)
+        except HumanReadableException as e:
+            return HttpResponse(e.get_user_text(), status=400)
+        return HttpResponse("Virtual machine fell asleep")
+
+
+class ComputeListView(View):
+    """ OCCI 1.2 - HTTP protocol - Collections - Compute """
     def get(self, request, *args, **kwargs):
         pass
+
+
+class ComputeView(View):
+    pass