mirror of https://github.com/hashicorp/consul
31 lines
713 B
Go
31 lines
713 B
Go
// Copyright (c) HashiCorp, Inc.
|
|
// SPDX-License-Identifier: MPL-2.0
|
|
|
|
package agent
|
|
|
|
import (
|
|
"github.com/armon/go-radix"
|
|
)
|
|
|
|
// Denylist implements an HTTP endpoint denylist based on a list of endpoint
|
|
// prefixes which should be blocked.
|
|
type Denylist struct {
|
|
tree *radix.Tree
|
|
}
|
|
|
|
// NewDenylist returns a denylist for the given list of prefixes.
|
|
func NewDenylist(prefixes []string) *Denylist {
|
|
tree := radix.New()
|
|
for _, prefix := range prefixes {
|
|
tree.Insert(prefix, nil)
|
|
}
|
|
return &Denylist{tree}
|
|
}
|
|
|
|
// Block will return true if the given path is included among any of the
|
|
// blocked prefixes.
|
|
func (d *Denylist) Block(path string) bool {
|
|
_, _, blocked := d.tree.LongestPrefix(path)
|
|
return blocked
|
|
}
|