feat Main HTTP Server; IP,URL Allowlist and Blocklist

internal/action/action.go

@@ -0,0 +1,26 @@
+package action
+
+type Action int
+
+const (
+	Undecided Action = iota // 0：Undecided
+	Allow                   // 1：Pass
+	Block                   // 2：Deny
+)
+
+// Decision saves the result of the decision
+type Decision struct {
+	result Action
+}
+
+func NewDecision() *Decision {
+	return &Decision{result: Undecided}
+}
+
+func (d *Decision) Get() Action {
+	return d.result
+}
+
+func (d *Decision) Set(new Action) {
+	d.result = new
+}