def rg_wrapper(request, g_id): if not request.POST: return redirect('django_rg.views.viewgateway', g_id=g_id) session = request.session username = session['login_email'] try: g = db.read_replica_gateway(g_id) if not g: raise Exception("No gateway exists.") except Exception as e: logging.error("Error reading gateway %s : Exception: %s" % (g_id, e)) message = "No replica gateway by the name of %s exists." % g_id t = loader.get_template( "gateway_templates/viewgateway_failure.html") c = Context({'message': message, 'username': username}) return HttpResponse(t.render(c)) form = libforms.Password(request.POST) if not form.is_valid(): session['message'] = "Password required." return redirect(redirect_view, g_id) # Check password hash if not RG.authenticate(g, form.cleaned_data['password']): session['message'] = "Incorrect password." return redirect(redirect_view, g_id) return f(request, g_id)
def rg_wrapper(request, g_id): if not request.POST: return redirect('django_rg.views.viewgateway', g_id=g_id) session = request.session username = session['login_email'] try: g = db.read_replica_gateway(g_id) if not g: raise Exception("No gateway exists.") except Exception as e: logging.error("Error reading gateway %s : Exception: %s" % (g_id, e)) message = "No replica gateway by the name of %s exists." % g_id t = loader.get_template("gateway_templates/viewgateway_failure.html") c = Context({'message':message, 'username':username}) return HttpResponse(t.render(c)) form = libforms.Password(request.POST) if not form.is_valid(): session['message'] = "Password required." return redirect(redirect_view, g_id) # Check password hash if not RG.authenticate(g, form.cleaned_data['password']): session['message'] = "Incorrect password." return redirect(redirect_view, g_id) return f(request, g_id)
def changeprivacy(request, g_id): ''' Handler for changing privacy settings. ''' session = request.session username = session['login_email'] g_id = int(g_id) g = db.read_replica_gateway(g_id) if g.private: fields = {'private': False} else: fields = {'private': True} try: db.update_replica_gateway(g_id, **fields) session[ 'new_change'] = "We've changed your gateways's privacy setting." session['next_url'] = '/syn/RG/viewgateway/' + str(g_id) session['next_message'] = "Click here to go back to your gateway." return redirect('/syn/thanks') except Exception as e: session['message'] = "Unable to update gateway." logging.info(message) logging.info(e) return redirect('django_rg.views.viewgateway', g_id)
def changepassword(request, g_id): ''' Handler for changing gateway password. Since it can't use precheck because of password reasons, must verify POST-ness itself. ''' session = request.session username = session['login_email'] g_id = int(g_id) # Precheck if request.method != "POST": return redirect('/syn/RG/viewgateway/' + str(g_id)) try: g = db.read_replica_gateway(g_id) if not g: raise Exception("No gateway exists.") except Exception as e: logging.error("Error reading gateway %d : Exception: %s" % (g_id, e)) message = "No replica gateway with the ID %d exists." % g_id t = loader.get_template("gateway_templates/viewgateway_failure.html") c = Context({'message': message, 'username': username}) return HttpResponse(t.render(c)) form = libforms.ChangePassword(request.POST) if not form.is_valid(): session['message'] = "You must fill out all password fields." return redirect('django_rg.views.viewgateway', g_id) else: # Check password hash if not RG.authenticate(g, form.cleaned_data['oldpassword']): session['message'] = "Incorrect password." return redirect('django_rg.views.viewgateway', g_id) elif form.cleaned_data['newpassword_1'] != form.cleaned_data[ 'newpassword_2']: session['message'] = "Your new passwords did not match each other." return redirect('django_rg.views.viewgateway', g_id) # Ok to change password else: new_hash = RG.generate_password_hash( form.cleaned_data['newpassword_1']) fields = {'ms_password_hash': new_hash} try: db.update_replica_gateway(g_id, **fields) except Exception as e: logging.error( "Unable to update replica gateway %d. Exception %s" % (g_id, e)) session['message'] = "Unable to update gateway." return redirect('django_rg.views.viewgateway', g_id) session['new_change'] = "We've changed your gateways's password." session['next_url'] = '/syn/RG/viewgateway/' + str(g_id) session['next_message'] = "Click here to go back to your volume." return redirect('/syn/thanks')
def changepassword(request, g_id): ''' Handler for changing gateway password. Since it can't use precheck because of password reasons, must verify POST-ness itself. ''' session = request.session username = session['login_email'] g_id = int(g_id) # Precheck if request.method != "POST": return redirect('/syn/RG/viewgateway/' + str(g_id)) try: g = db.read_replica_gateway(g_id) if not g: raise Exception("No gateway exists.") except Exception as e: logging.error("Error reading gateway %d : Exception: %s" % (g_id, e)) message = "No replica gateway with the ID %d exists." % g_id t = loader.get_template("gateway_templates/viewgateway_failure.html") c = Context({'message':message, 'username':username}) return HttpResponse(t.render(c)) form = libforms.ChangePassword(request.POST) if not form.is_valid(): session['message'] = "You must fill out all password fields." return redirect('django_rg.views.viewgateway', g_id) else: # Check password hash if not RG.authenticate(g, form.cleaned_data['oldpassword']): session['message'] = "Incorrect password." return redirect('django_rg.views.viewgateway', g_id) elif form.cleaned_data['newpassword_1'] != form.cleaned_data['newpassword_2']: session['message'] = "Your new passwords did not match each other." return redirect('django_rg.views.viewgateway', g_id) # Ok to change password else: new_hash = RG.generate_password_hash(form.cleaned_data['newpassword_1']) fields = {'ms_password_hash':new_hash} try: db.update_replica_gateway(g_id, **fields) except Exception as e: logging.error("Unable to update replica gateway %d. Exception %s" % (g_id, e)) session['message'] = "Unable to update gateway." return redirect('django_rg.views.viewgateway', g_id) session['new_change'] = "We've changed your gateways's password." session['next_url'] = '/syn/RG/viewgateway/' + str(g_id) session['next_message'] = "Click here to go back to your volume." return redirect('/syn/thanks')
def changeprivacy(request, g_id): ''' Handler for changing privacy settings. ''' session = request.session username = session['login_email'] g_id = int(g_id) g = db.read_replica_gateway(g_id) if g.private: fields = {'private':False} else: fields = {'private':True} try: db.update_replica_gateway(g_id, **fields) session['new_change'] = "We've changed your gateways's privacy setting." session['next_url'] = '/syn/RG/viewgateway/' + str(g_id) session['next_message'] = "Click here to go back to your gateway." return redirect('/syn/thanks') except Exception as e: session['message'] = "Unable to update gateway." logging.info(message) logging.info(e) return redirect('django_rg.views.viewgateway', g_id)
def delete(request, g_id): ''' View for deleting AG. ''' # Helper method used to simplify error-handling. When fields are entered incorrectly, # a session message is set and this method is called. def give_delete_form(username, g, session): form = gatewayforms.DeleteGateway() t = loader.get_template( 'gateway_templates/delete_replica_gateway.html') c = RequestContext( request, { 'username': username, 'g': g, 'form': form, 'message': session.pop('message', "") }) return HttpResponse(t.render(c)) # Once again isolating transactional for views that update multiple entities @transactional(xg=True) def delete_and_update(rg_id, attached_volume_ids): db.delete_replica_gateway(rg_id) for v in attached_volume_ids: vol = db.read_volume(v) if not vol: continue new_rg_ids = vol.rg_ids new_rg_ids.remove(rg_id) attrs = {"rg_ids": new_rg_ids} db.update_volume(v, **attrs) session.pop("rg_initial_data" + str(g_id), None) session = request.session username = session['login_email'] g_id = int(g_id) rg = db.read_replica_gateway(g_id) if not rg: t = loader.get_template( 'gateway_templates/delete_replica_gateway_failure.html') c = RequestContext(request, {'username': username, 'g_name': g_name}) return HttpResponse(t.render(c)) if request.POST: # Validate input forms form = gatewayforms.DeleteGateway(request.POST) if form.is_valid(): if not RG.authenticate(rg, form.cleaned_data['g_password']): session['message'] = "Incorrect Replica Gateway password" return give_delete_form(username, rg, session) if not form.cleaned_data['confirm_delete']: session[ 'message'] = "You must tick the delete confirmation box." return give_delete_form(username, rg, session) delete_and_update(g_id, rg.volume_ids) session['new_change'] = "Your gateway has been deleted." session['next_url'] = '/syn/RG/allgateways' session['next_message'] = "Click here to see all replica gateways." return redirect('/syn/thanks/') # invalid forms else: # Prep error message session['message'] = "Invalid form entry: " for k, v in form.errors.items(): session[ 'message'] = session['message'] + "\"" + k + "\"" + " -> " for m in v: session['message'] = session['message'] + m + " " return give_delete_form(username, rg, session) else: # Not a POST, give them blank form return give_delete_form(username, rg, session)
def viewgateway(request, g_id=0): ''' The view for viewing and changing any of the main settings on any RG. Passes forms for changing different settings, and the volumes attached to the gateway. ''' session = request.session username = session['login_email'] g_id = int(g_id) # Check for any passed error messages and initial_data from state to save db calls. message = session.pop('message', "") rg_initial_data = session.get('rg_initial_data' + str(g_id), []) # Make sure gateway exists. g = db.read_replica_gateway(g_id) if not g: logging.error("Error reading gateway %d : Exception: %s" % (g_id, e)) message = "No replica gateway with the ID %d exists." % g_id t = loader.get_template("gateway_templates/viewgateway_failure.html") c = Context({'message': message, 'username': username}) return HttpResponse(t.render(c)) # Create forms for changing location, adding volumes, # changing password, getting password, and changing config location_form = gatewayforms.ModifyGatewayLocation(initial={ 'host': g.host, 'port': g.port }) add_form = gatewayforms.GatewayAddVolume() json_form = gatewayforms.ModifyGatewayConfig() password_form = libforms.Password() change_password_form = libforms.ChangePassword() # Get all attached volumes and their respective owners owners = [] vols = [] for v_id in g.volume_ids: vol = db.read_volume(v_id) if not vol: logging.error( "Volume ID in gateways volume_ids does not map to volume. Gateway: %s" % g_name) else: vols.append(vol) attrs = {"SyndicateUser.owner_id ==": vol.owner_id} owners.append(db.get_user(attrs)) vol_owners = zip(vols, owners) # Create formatted data based on vols for the formset, if not passed in state. if not rg_initial_data: for v in vols: rg_initial_data.append({'volume_name': v.name, 'remove': False}) session['rg_initial_data' + str(g_id)] = rg_initial_data VolumeFormSet = formset_factory(gatewayforms.GatewayRemoveVolume, extra=0) if rg_initial_data: formset = VolumeFormSet(initial=rg_initial_data) else: formset = [] t = loader.get_template("gateway_templates/viewreplicagateway.html") c = RequestContext( request, { 'username': username, 'gateway': g, 'message': message, 'vol_owners': vol_owners, 'location_form': location_form, 'add_form': add_form, 'json_form': json_form, 'remove_forms': formset, 'password_form': password_form, 'change_password_form': change_password_form }) return HttpResponse(t.render(c))
def removevolumes(request, g_id): ''' This handler allows removal of one or many volumes from an Aqcquisition Gateway. It calls multi_update() as a helper method to allow transactional updates to the database. ''' # This is a helper method that isolates the @transactional decorator, speeding # up the code when it doesn't reach update() in this view and allowing for # errors that would break in GAE if the decorator was applied to the entire view. # It updates multiple volumes at once @transactional(xg=True) def multi_update(v_ids, g_id, vfields, gfields): for v_id, vfield in zip(v_ids, vfields): db.update_volume(v_id, **vfield) db.update_replica_gateway(g_id, **gfields) session.pop('rg_initial_data' + str(g_id)) session = request.session username = session['login_email'] g_id = int(g_id) VolumeFormSet = formset_factory(gatewayforms.GatewayRemoveVolume, extra=0) formset = VolumeFormSet(request.POST) # This call is not checked because the formset will always be valid (readonly widgets) formset.is_valid() volume_ids_to_be_removed = [] new_rgs_set = [] initial_and_forms = zip(session.get('rg_initial_data' + str(g_id), []), formset.forms) for i, f in initial_and_forms: if f.cleaned_data['remove']: attrs = {"Volume.name ==": i['volume_name']} vols = db.list_volumes(attrs, limit=1) vol = vols[0] # update each volumes new RG list new_rgs = vol.rg_ids new_rgs.remove(g_id) new_rgs_set.append({'rg_ids': new_rgs}) # update info for AG update volume_ids_to_be_removed.append(vol.volume_id) if not volume_ids_to_be_removed: session['message'] = "You must select at least one volume to remove." return redirect('django_rg.views.viewgateway', g_id) old_vids = set(db.read_replica_gateway(g_id).volume_ids) new_vids = list(old_vids - set(volume_ids_to_be_removed)) gfields = {'volume_ids': new_vids} try: multi_update(volume_ids_to_be_removed, g_id, new_rgs_set, gfields) except Exception as e: logging.error("Unable to update replica gateway %d. Exception %s" % (g_id, e)) session['message'] = "Unable to update gateway." return redirect('django_rg.views.viewgateway', g_id) session['new_change'] = "We've updated your RG's volumes." session['next_url'] = '/syn/RG/viewgateway/' + str(g_id) session['next_message'] = "Click here to go back to your gateway." return redirect('/syn/thanks')
def addvolume(request, g_id): ''' Handler for adding a volume to the gateay. ''' # This is a helper method that isolates the @transactional decorator, speeding # up the code when it doesn't reach update() in this view and allowing for # errors that would break in GAE if the decorator was applied to the entire view. @transactional(xg=True) def update(v_id, g_id, vfields, gfields): db.update_volume(v_id, **vfields) db.update_replica_gateway(g_id, **gfields) session.pop('rg_initial_data' + str(g_id)) session = request.session username = session['login_email'] g_id = int(g_id) form = gatewayforms.GatewayAddVolume(request.POST) if form.is_valid(): attrs = { "Volume.name ==": form.cleaned_data['volume_name'].strip().replace(" ", "_") } vols = db.list_volumes(attrs, limit=1) if vols: volume = vols[0] logging.info(volume) else: session[ 'message'] = "The volume %s doesn't exist." % form.cleaned_data[ 'volume_name'] return redirect('django_ag.views.viewgateway', g_id) gateway = db.read_replica_gateway(g_id) # prepare volume state if volume.rg_ids: new_rgs = volume.rg_ids new_rgs.append(gateway.g_id) else: new_rgs = [gateway.g_id] vfields = {'rg_ids': new_rgs} # prepate RG state old_vids = gateway.volume_ids new_vid = volume.volume_id if new_vid in old_vids: session[ 'message'] = "That volume is already attached to this gateway!" return redirect('django_rg.views.viewgateway', g_id) if old_vids: old_vids.append(new_vid) new_vids = old_vids else: new_vids = [new_vid] # Update and redirect try: gfields = {'volume_ids': new_vids} update(volume.volume_id, g_id, vfields, gfields) except Exception as e: logging.error( "Unable to update replica gateway %s or volume %s. Exception %s" % (rg.ms_username, volume.name, e)) session['message'] = "Unable to update." return redirect('django_rg.views.viewgateway', g_id) session['new_change'] = "We've updated your RG's volumes." session['next_url'] = '/syn/RG/viewgateway/' + str(g_id) session['next_message'] = "Click here to go back to your gateway." return redirect('/syn/thanks') else: session['message'] = "Invalid entries for adding volumes." return redirect('django_rg.views.viewgateway', g_id)
def delete(request, g_id): ''' View for deleting AG. ''' # Helper method used to simplify error-handling. When fields are entered incorrectly, # a session message is set and this method is called. def give_delete_form(username, g, session): form = gatewayforms.DeleteGateway() t = loader.get_template('gateway_templates/delete_replica_gateway.html') c = RequestContext(request, {'username':username, 'g':g, 'form':form, 'message':session.pop('message', "")}) return HttpResponse(t.render(c)) # Once again isolating transactional for views that update multiple entities @transactional(xg=True) def delete_and_update(rg_id, attached_volume_ids): db.delete_replica_gateway(rg_id) for v in attached_volume_ids: vol = db.read_volume(v) if not vol: continue new_rg_ids = vol.rg_ids new_rg_ids.remove(rg_id) attrs = {"rg_ids":new_rg_ids} db.update_volume(v, **attrs) session.pop("rg_initial_data" + str(g_id), None) session = request.session username = session['login_email'] g_id = int(g_id) rg = db.read_replica_gateway(g_id) if not rg: t = loader.get_template('gateway_templates/delete_replica_gateway_failure.html') c = RequestContext(request, {'username':username, 'g_name':g_name}) return HttpResponse(t.render(c)) if request.POST: # Validate input forms form = gatewayforms.DeleteGateway(request.POST) if form.is_valid(): if not RG.authenticate(rg, form.cleaned_data['g_password']): session['message'] = "Incorrect Replica Gateway password" return give_delete_form(username, rg, session) if not form.cleaned_data['confirm_delete']: session['message'] = "You must tick the delete confirmation box." return give_delete_form(username, rg, session) delete_and_update(g_id, rg.volume_ids) session['new_change'] = "Your gateway has been deleted." session['next_url'] = '/syn/RG/allgateways' session['next_message'] = "Click here to see all replica gateways." return redirect('/syn/thanks/') # invalid forms else: # Prep error message session['message'] = "Invalid form entry: " for k, v in form.errors.items(): session['message'] = session['message'] + "\"" + k + "\"" + " -> " for m in v: session['message'] = session['message'] + m + " " return give_delete_form(username, rg, session) else: # Not a POST, give them blank form return give_delete_form(username, rg, session)
def viewgateway(request, g_id=0): ''' The view for viewing and changing any of the main settings on any RG. Passes forms for changing different settings, and the volumes attached to the gateway. ''' session = request.session username = session['login_email'] g_id = int(g_id) # Check for any passed error messages and initial_data from state to save db calls. message = session.pop('message', "") rg_initial_data = session.get('rg_initial_data' + str(g_id), []) # Make sure gateway exists. g = db.read_replica_gateway(g_id) if not g: logging.error("Error reading gateway %d : Exception: %s" % (g_id, e)) message = "No replica gateway with the ID %d exists." % g_id t = loader.get_template("gateway_templates/viewgateway_failure.html") c = Context({'message':message, 'username':username}) return HttpResponse(t.render(c)) # Create forms for changing location, adding volumes, # changing password, getting password, and changing config location_form = gatewayforms.ModifyGatewayLocation(initial={'host':g.host, 'port':g.port}) add_form = gatewayforms.GatewayAddVolume() json_form = gatewayforms.ModifyGatewayConfig() password_form = libforms.Password() change_password_form = libforms.ChangePassword() # Get all attached volumes and their respective owners owners = [] vols = [] for v_id in g.volume_ids: vol = db.read_volume(v_id) if not vol: logging.error("Volume ID in gateways volume_ids does not map to volume. Gateway: %s" % g_name) else: vols.append(vol) attrs = {"SyndicateUser.owner_id ==": vol.owner_id} owners.append(db.get_user(attrs)) vol_owners = zip(vols, owners) # Create formatted data based on vols for the formset, if not passed in state. if not rg_initial_data: for v in vols: rg_initial_data.append({'volume_name':v.name, 'remove':False}) session['rg_initial_data' + str(g_id)] = rg_initial_data VolumeFormSet = formset_factory(gatewayforms.GatewayRemoveVolume, extra=0) if rg_initial_data: formset = VolumeFormSet(initial=rg_initial_data) else: formset = [] t = loader.get_template("gateway_templates/viewreplicagateway.html") c = RequestContext(request, {'username':username, 'gateway':g, 'message':message, 'vol_owners':vol_owners, 'location_form':location_form, 'add_form':add_form, 'json_form':json_form, 'remove_forms':formset, 'password_form':password_form, 'change_password_form':change_password_form}) return HttpResponse(t.render(c))
def removevolumes(request, g_id): ''' This handler allows removal of one or many volumes from an Aqcquisition Gateway. It calls multi_update() as a helper method to allow transactional updates to the database. ''' # This is a helper method that isolates the @transactional decorator, speeding # up the code when it doesn't reach update() in this view and allowing for # errors that would break in GAE if the decorator was applied to the entire view. # It updates multiple volumes at once @transactional(xg=True) def multi_update(v_ids, g_id, vfields, gfields): for v_id, vfield in zip(v_ids, vfields): db.update_volume(v_id, **vfield) db.update_replica_gateway(g_id, **gfields) session.pop('rg_initial_data' + str(g_id)) session = request.session username = session['login_email'] g_id = int(g_id) VolumeFormSet = formset_factory(gatewayforms.GatewayRemoveVolume, extra=0) formset = VolumeFormSet(request.POST) # This call is not checked because the formset will always be valid (readonly widgets) formset.is_valid() volume_ids_to_be_removed = [] new_rgs_set = [] initial_and_forms = zip(session.get('rg_initial_data' + str(g_id), []), formset.forms) for i, f in initial_and_forms: if f.cleaned_data['remove']: attrs = {"Volume.name ==":i['volume_name']} vols = db.list_volumes(attrs, limit=1) vol = vols[0] # update each volumes new RG list new_rgs = vol.rg_ids new_rgs.remove(g_id) new_rgs_set.append({'rg_ids':new_rgs}) # update info for AG update volume_ids_to_be_removed.append(vol.volume_id) if not volume_ids_to_be_removed: session['message'] = "You must select at least one volume to remove." return redirect('django_rg.views.viewgateway', g_id) old_vids = set(db.read_replica_gateway(g_id).volume_ids) new_vids = list(old_vids - set(volume_ids_to_be_removed)) gfields = {'volume_ids':new_vids} try: multi_update(volume_ids_to_be_removed, g_id, new_rgs_set, gfields) except Exception as e: logging.error("Unable to update replica gateway %d. Exception %s" % (g_id, e)) session['message'] = "Unable to update gateway." return redirect('django_rg.views.viewgateway', g_id) session['new_change'] = "We've updated your RG's volumes." session['next_url'] = '/syn/RG/viewgateway/' + str(g_id) session['next_message'] = "Click here to go back to your gateway." return redirect('/syn/thanks')
def addvolume(request, g_id): ''' Handler for adding a volume to the gateay. ''' # This is a helper method that isolates the @transactional decorator, speeding # up the code when it doesn't reach update() in this view and allowing for # errors that would break in GAE if the decorator was applied to the entire view. @transactional(xg=True) def update(v_id, g_id, vfields, gfields): db.update_volume(v_id, **vfields) db.update_replica_gateway(g_id, **gfields) session.pop('rg_initial_data' + str(g_id)) session = request.session username = session['login_email'] g_id = int(g_id) form = gatewayforms.GatewayAddVolume(request.POST) if form.is_valid(): attrs = {"Volume.name ==":form.cleaned_data['volume_name'].strip().replace(" ", "_")} vols = db.list_volumes(attrs, limit=1) if vols: volume = vols[0] logging.info(volume) else: session['message'] = "The volume %s doesn't exist." % form.cleaned_data['volume_name'] return redirect('django_ag.views.viewgateway', g_id) gateway = db.read_replica_gateway(g_id) # prepare volume state if volume.rg_ids: new_rgs = volume.rg_ids new_rgs.append(gateway.g_id) else: new_rgs = [gateway.g_id] vfields = {'rg_ids':new_rgs} # prepate RG state old_vids = gateway.volume_ids new_vid = volume.volume_id if new_vid in old_vids: session['message'] = "That volume is already attached to this gateway!" return redirect('django_rg.views.viewgateway', g_id) if old_vids: old_vids.append(new_vid) new_vids = old_vids else: new_vids = [new_vid] # Update and redirect try: gfields={'volume_ids':new_vids} update(volume.volume_id, g_id, vfields, gfields) except Exception as e: logging.error("Unable to update replica gateway %s or volume %s. Exception %s" % (rg.ms_username, volume.name, e)) session['message'] = "Unable to update." return redirect('django_rg.views.viewgateway', g_id) session['new_change'] = "We've updated your RG's volumes." session['next_url'] = '/syn/RG/viewgateway/' + str(g_id) session['next_message'] = "Click here to go back to your gateway." return redirect('/syn/thanks') else: session['message'] = "Invalid entries for adding volumes." return redirect('django_rg.views.viewgateway', g_id)
def changegateways_rg(request, volume_id): session = request.session username = session['login_email'] vol = db.read_volume(volume_id) if not vol: return redirect('django_volume.views.viewvolume', volume_id) @transactional(xg=True) def update(v_id, gnames, vfields, gfields): db.update_volume(v_id, **vfields) for g, gfield in zip(gnames, gfields): db.update_replica_gateway(g, **gfield) session.pop('volume_initial_rgs' + str(volume_id), None) # make sure this variable exists, i.e. they came from the settings page. if not 'volume_initial_rgs' + str(volume_id) in session: return redirect("django_volume.views.volumesettings", volume_id) if request.POST: passwordform = libforms.Password(request.POST) if not passwordform.is_valid(): session['message'] = "Password required." return redirect('django_volume.views.volumesettings', volume_id) else: hash_check = Volume.generate_password_hash( passwordform.cleaned_data['password'], vol.volume_secret_salt) if hash_check != vol.volume_secret_salted_hash: session['message'] = "Incorrect password." return redirect('django_volume.views.volumesettings', volume_id) GatewayFormset = formset_factory(forms.Gateway, extra=0) formset = GatewayFormset(request.POST) formset.is_valid() remove_gateways = [] remove_gateway_names = [] remove_gateway_ids = [] for data, form in zip(session['volume_initial_rgs' + str(volume_id)], formset.forms): if form.cleaned_data['remove']: g = db.read_replica_gateway(data['g_name']) remove_gateways.append(g) remove_gateway_names.append(data['g_name']) remove_gateway_ids.append(g.rg_id) if not remove_gateways: return redirect('django_volume.views.volumesettings', volume_id) new_rgs = list(set(vol.rg_ids) - set(remove_gateway_ids)) vfields = {'rg_ids': new_rgs} gfields = [] for g in remove_gateways: new_vol_ids = g.volume_ids new_vol_ids.remove(vol.volume_id) gfields.append({"volume_ids": new_vol_ids}) try: update(vol.volume_id, remove_gateway_names, vfields, gfields) except Exception as e: session['message'] = "Unable to update volume or RG's." return redirect('django_volume.views.volumesettings', volume_id) session['new_change'] = "We've updated your volume." session['next_url'] = '/syn/volume/' + str(vol.volume_id) + '/settings' session['next_message'] = "Click here to go back to your volume." return redirect('/syn/thanks') else: return redirect('django_volume.views.volumesettings', volume_id=vol.volume_id)