Added Firewall rules endpoints

src/Endpoints/Firewall.php

@@ -0,0 +1,84 @@
+<?php
+
+namespace Cloudflare\API\Endpoints;
+
+use Cloudflare\API\Adapter\Adapter;
+
+class Firewall implements API
+{
+    private $adapter;
+
+    public function __construct(Adapter $adapter)
+    {
+        $this->adapter = $adapter;
+    }
+
+    public function createFirewallRules(
+        string $zoneID,
+        array $rules
+    ): array {
+        $query = $this->adapter->post('zones/' . $zoneID . '/firewall/rules', $rules);
+        $body = json_decode($query->getBody());
+
+        return $body->result;
+    }
+
+    public function createFirewallRule(
+        string $zoneID,
+        string $expression,
+        string $action,
+        string $description = null,
+        bool $paused = true,
+        int $priority = null
+    ): array {
+        $rule = [
+            'filter' => [
+                'expression' => $expression,
+                'paused' => false
+            ],
+            'action' => $action,
+            'paused' => $paused
+        ];
+
+        if ($description !== null) {
+            $options['description'] = $description;
+        }
+
+        if ($priority !== null) {
+            $options['priority'] = $priority;
+        }
+
+        return $this->createFirewallRules($zoneID, [$rule]);
+    }
+
+    public function listFirewallRules(
+        string $zoneID,
+        int $page = 1,
+        int $perPage = 50
+    ): array {
+        $query = [
+            'page' => $page,
+            'per_page' => $perPage,
+        ];
+
+        $rules = $this->adapter->get('zones/' . $zoneID . '/firewall/rules', $query);
+        $body = json_decode($rules->getBody());
+
+        return $body->result;
+    }
+
+    public function deleteFirewallRule(
+        string $zoneID,
+        string $ruleID
+    ): bool {
+        $rule = $this->adapter->delete('zones/' . $zoneID . '/firewall/rules/' . $ruleID);
+
+        $body = json_decode($rule->getBody());
+
+        if (isset($body->result->id)) {
+            return true;
+        }
+
+        return false;
+    }
+}