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 }