refactor: use new checker types

Signed-off-by: Xe Iaso <me@xeiaso.net>

lib/checker/all.go

@@ -0,0 +1,35 @@
+package checker
+
+import (
+	"fmt"
+	"net/http"
+	"strings"
+
+	"github.com/TecharoHQ/anubis/internal"
+)
+
+type All []Interface
+
+func (a All) Check(r *http.Request) (bool, error) {
+	for _, c := range a {
+		match, err := c.Check(r)
+		if err != nil {
+			return match, err
+		}
+		if !match {
+			return false, err // no match
+		}
+	}
+
+	return true, nil // match
+}
+
+func (a All) Hash() string {
+	var sb strings.Builder
+
+	for _, c := range a {
+		fmt.Fprintln(&sb, c.Hash())
+	}
+
+	return internal.FastHash(sb.String())
+}