From c87f6c05217f325005f24dfe0c1b23d4a098964f Mon Sep 17 00:00:00 2001
From: Ian Williams <me@ianwillia.ms>
Date: Wed, 12 Apr 2017 13:32:06 -0400
Subject: [PATCH] Added public webhook.

---
 HtmlcachePlugin.php                         | 12 ++++++++++++
 controllers/Htmlcache_WebhookController.php | 12 ++++++++++++
 services/Htmlcache_HtmlcacheService.php     |  5 ++++-
 3 files changed, 28 insertions(+), 1 deletion(-)
 create mode 100644 controllers/Htmlcache_WebhookController.php

diff --git a/HtmlcachePlugin.php b/HtmlcachePlugin.php
index 2914cad..dc30ae7 100644
--- a/HtmlcachePlugin.php
+++ b/HtmlcachePlugin.php
@@ -237,4 +237,16 @@ public function registerCachePaths()
             craft()->htmlcache_htmlcache->clearCacheFiles() => Craft::t('Htmlcache cached pages')
         );
     }
+
+	/**
+     * Adds routes to allow external webhook to clear cache
+     *
+     * @return array
+     */
+    public function registerSiteRoutes()
+    {
+        return array(
+            'htmlcache/clearCache' => array('action' => 'htmlcache/webhook/clearCache'),
+        );
+    }
 }
diff --git a/controllers/Htmlcache_WebhookController.php b/controllers/Htmlcache_WebhookController.php
new file mode 100644
index 0000000..4b20b8d
--- /dev/null
+++ b/controllers/Htmlcache_WebhookController.php
@@ -0,0 +1,12 @@
+<?php
+namespace Craft;
+
+class Htmlcache_WebhookController extends BaseController
+{
+    protected $allowAnonymous = true;
+
+    public function actionClearCache()
+    {
+        craft()->htmlcache_htmlcache->clearCacheFiles();
+    }
+}
\ No newline at end of file
diff --git a/services/Htmlcache_HtmlcacheService.php b/services/Htmlcache_HtmlcacheService.php
index ad34407..aa64579 100644
--- a/services/Htmlcache_HtmlcacheService.php
+++ b/services/Htmlcache_HtmlcacheService.php
@@ -48,7 +48,10 @@ public function canCreateCacheFile()
         if (craft()->request->isCpRequest()) {
             return false;
         }
-
+        // Skip if it's a webhook to clear cache
+        if (craft()->request->path == 'htmlcache/clearCache') {
+            return false;
+        }
         // Skip if it's an action Request
         if (craft()->request->isActionRequest()) {
             return false;