stillbox/pkg/rbac/conditions.go
2025-01-20 20:30:26 -05:00

94 lines
2.2 KiB
Go

package rbac
import (
"fmt"
"reflect"
"github.com/el-mike/restrict/v2"
)
const (
SubmitterEqualConditionType = "SUBMITTER_EQUAL"
InMapConditionType = "IN_MAP"
)
type SubmitterEqualCondition struct {
ID string `json:"name,omitempty" yaml:"name,omitempty"`
Left *restrict.ValueDescriptor `json:"left" yaml:"left"`
Right *restrict.ValueDescriptor `json:"right" yaml:"right"`
}
func (s *SubmitterEqualCondition) Type() string {
return SubmitterEqualConditionType
}
func (c *SubmitterEqualCondition) Check(r *restrict.AccessRequest) error {
left, err := c.Left.GetValue(r)
if err != nil {
return err
}
right, err := c.Right.GetValue(r)
if err != nil {
return err
}
lVal := reflect.ValueOf(left)
rVal := reflect.ValueOf(right)
// deref Left. this is the difference between us and EqualCondition
for lVal.Kind() == reflect.Pointer {
lVal = lVal.Elem()
}
if !lVal.IsValid() || !reflect.DeepEqual(rVal.Interface(), lVal.Interface()) {
return restrict.NewConditionNotSatisfiedError(c, r, fmt.Errorf("values \"%v\" and \"%v\" are not equal", left, right))
}
return nil
}
func SubmitterEqualConditionFactory() restrict.Condition {
return new(SubmitterEqualCondition)
}
type InMapCondition[K comparable, V any] struct {
ID string `json:"name,omitempty" yaml:"name,omitempty"`
Key *restrict.ValueDescriptor `json:"key" yaml:"key"`
Map *restrict.ValueDescriptor `json:"map" yaml:"map"`
}
func (s *InMapCondition[K, V]) Type() string {
return SubmitterEqualConditionType
}
func InMapConditionFactory[K comparable, V any]() restrict.Condition {
return new(InMapCondition[K, V])
}
func (c *InMapCondition[K, V]) Check(r *restrict.AccessRequest) error {
cKey, err := c.Key.GetValue(r)
if err != nil {
return err
}
cMap, err := c.Map.GetValue(r)
if err != nil {
return err
}
keyVal := reflect.ValueOf(cKey)
mapVal := reflect.ValueOf(cMap)
key := keyVal.Interface().(K)
if _, in := mapVal.Interface().(map[K]V)[key]; !in {
return restrict.NewConditionNotSatisfiedError(c, r, fmt.Errorf("key '%v' not in map", key))
}
return nil
}
func init() {
restrict.RegisterConditionFactory(SubmitterEqualConditionType, SubmitterEqualConditionFactory)
}