Method AddPolicy

model/policy.go:197–225

AddPolicy adds a policy rule to the model.

(sec string, ptype string, rule []string)

// AddPolicy adds a policy rule to the model.
func (model Model) AddPolicy(sec string, ptype string, rule []string) error {
	assertion, err := model.GetAssertion(sec, ptype)
	if err != nil {
		return err
	}
	assertion.Policy = append(assertion.Policy, rule)
	assertion.PolicyMap[strings.Join(rule, DefaultSep)] = len(model[sec][ptype].Policy) - 1

	hasPriority := false
	if _, ok := assertion.FieldIndexMap[constant.PriorityIndex]; ok {
		hasPriority = true
	}
	if sec == "p" && hasPriority {
		if idxInsert, err := strconv.Atoi(rule[assertion.FieldIndexMap[constant.PriorityIndex]]); err == nil {
			i := len(assertion.Policy) - 1
			for ; i > 0; i-- {
				idx, err := strconv.Atoi(assertion.Policy[i-1][assertion.FieldIndexMap[constant.PriorityIndex]])
				if err != nil || idx <= idxInsert {
					break
				}
				assertion.Policy[i] = assertion.Policy[i-1]
				assertion.PolicyMap[strings.Join(assertion.Policy[i-1], DefaultSep)]++
			}
			assertion.Policy[i] = rule
			assertion.PolicyMap[strings.Join(rule, DefaultSep)] = i
		}
	}
	return nil
}

// AddPolicies adds policy rules to the model.
func (model Model) AddPolicies(sec string, ptype string, rules [][]string) error {