def rule_create(request, table_name=None):
errors = list()
formMode = request.POST.get("conditionMode")
tableName = request.POST.get("table")
PreviousPriority = request.POST.get("ppriority")
editing = request.POST.get("editing")
ruleid = request.POST.get("uuid")
ruleCondition = request.POST.get("condition")
ruleDesc = request.POST.get("description")
ruleError = request.POST.get("error_message")
ruleType = request.POST.get("type")
ruleAction = request.POST.get("action")
ruleValue = request.POST.get("value")
rulePriority = request.POST.get("priority")
ruleEnable = request.POST.get("enable")
previousTable = request.POST.get("hidden_name")
expertRule = request.POST.get("expertRule")
newConditions = request.POST.get("conditionID")
saved = request.POST.get("saved")
if rulePriority == 'Last' or rulePriority == '':
priority = None
else:
priority = int(rulePriority)
if formMode == "easy":
#Avoid empty fields
# if ruleDesc == "":
# errors.append("Description Field is empty")
if ruleError == "":
errors.append("Error Message field is empty")
if ruleCondition == "":
errors.append("Condition field is empty")
try:
str(ruleDesc)
except:
errors.append(
"Only ascii characters are allowed in Description field")
try:
str(ruleError)
except:
errors.append(
"Only ascii characters are allowed in Error Message field")
try:
str(ruleCondition)
except:
errors.append("Only ascii characters are allowed in Conditions")
if request.POST.get("enable") == 'enable':
enable = True
else:
enable = False
if ruleType == "terminal":
ruleType = ""
if saved == None:
saved = False
#Rule String convertion required
if formMode == "easy":
if ruleAction != "None":
strings = "if " + ruleCondition + " then " + ruleValue + " " + ruleType + " do " + ruleAction + " denyMessage " + ruleError + " #" + ruleDesc
else:
strings = "if " + ruleCondition + " then " + ruleValue + " " + ruleType + " denyMessage " + ruleError + " #" + ruleDesc
else:
strings = expertRule
try:
str(expertRule)
except:
errors.append("Only ascii characters are allowed in a Rule")
try:
if errors:
raise Exception("")
if editing == '1':
#Editing Rules Case:
if previousTable == tableName:
try:
RuleTableManager.editRule(strings, enable, priority,
PreviousPriority, tableName)
except Exception as e:
raise e
#else:
#Moving a rule to a different RuleTable --> this is not possible yet
#print 'Changing table...'
#RuleTableManager.AddRule(strings,enable,priority,tableName=tableName)
#print 'successful add to ' + tableName
#RuleTableManager.RemoveRule(None,int(PreviousPriority),'oldTableName')
#print 'remove from ' + previousTable + ' successful'
else:
RuleTableManager.AddRule(strings,
enable,
priority,
tableName=tableName)
return HttpResponseRedirect("/policies")
except Exception as e:
errors.append(e)
errors.insert(
0, "The Rule cannot be generated. Reason(s):"
) #Insterting the main message error in the first position of the table
priority = RuleTableManager.getPriorityList(tableName)
priority = RuleTableManager.getPriorityList(tableName)
#if a rule index is the last, insert "LAST" in the rule priority instead the true index.
try:
int(rulePriority)
if int(rulePriority) in priority:
priority.pop(priority.index(int(rulePriority)))
except:
rulePriority = "Last"
if ruleValue == "accept":
value2 = ["deny"]
else:
value2 = ["accept"]
if ruleType == "nonterminal":
type2 = ["terminal"]
else:
ruleType = "terminal"
type2 = ["nonterminal"]
context = {
'user': request.user,
'saved': True,
'CurrentTable': tableName,
'priority': PreviousPriority,
'enabled': ruleEnable,
'load': 'True',
'valueS': ruleValue,
'valueD': value2,
'terminalS': ruleType,
'terminalD': type2,
'errorMsg': ruleError,
'description': ruleDesc,
'condition': " " + ruleCondition + " ",
'ptable': tableName,
'edit': request.POST.get('edit'),
'action': ruleAction,
'PrioritySel': rulePriority,
'priorityList': priority,
'allMappings': RuleTableManager.GetResolverMappings(tableName),
'ConditionMappings': RuleTableManager.getConditionMappings(),
'ActionMappings': RuleTableManager.getActionMappings(),
'errors': errors,
'rule_uuid': ruleid,
}
return simple.direct_to_template(
request,
template='policyEngine/policy_create.html',
extra_context=context)
