From 038063c6f2e1b6577f8d674ad2df1420032c85f6 Mon Sep 17 00:00:00 2001
From: gaby <gaby@GabrielOficina>
Date: Thu, 11 Apr 2019 16:24:52 -0300
Subject: [PATCH 1/3] add appsecret_proof support, useful for post 2.8 api
 version

---
 FbBotApp.php | 19 ++++++++++++++++---
 1 file changed, 16 insertions(+), 3 deletions(-)

diff --git a/FbBotApp.php b/FbBotApp.php
index edc61de..c51d04b 100755
--- a/FbBotApp.php
+++ b/FbBotApp.php
@@ -47,6 +47,10 @@ class FbBotApp
      */
     protected $token = null;
 
+    /**
+     * @var null|string
+     */
+    protected $appsecret_proof = null;
 
     /**
      * Contains the last cURL error for the current session if encountered
@@ -59,15 +63,20 @@ class FbBotApp
      * FbBotApp constructor.
      * @param string $token
      * @param string $version optional
+     * @param string $app_secret optional
      */
-    public function __construct($token, $version = null)
+    public function __construct($token, $version = null, $app_secret=null)
     {
         $this->token = $token;
         
         if (is_null($version)) {
-            $version = $this->apiVersion
+            $version = $this->apiVersion;
         }
-
+        
+        if (!is_null($app_secret)) {
+            $this->appsecret_proof= hash_hmac('sha256', $this->token, $app_secret); 
+        }
+        
         $this->apiUrl = $this->baseApiUrl . $version . "/";
     }
 
@@ -518,6 +527,10 @@ public function call($url, $data, $type = self::TYPE_POST)
     {
         $data['access_token'] = $this->token;
 
+        if (!is_null($this->appsecret_proof)){
+            $data['appsecret_proof'] = $this->appsecret_proof;
+        }
+        
         $headers = [
             'Content-Type: application/json',
         ];

From 173946e88b544a8a38bf734379fccbcf1ff0fa7c Mon Sep 17 00:00:00 2001
From: Gabriel <gabriel.tandil@gmail.com>
Date: Fri, 12 Apr 2019 08:42:13 -0300
Subject: [PATCH 2/3] Update CHANGELOG.md

---
 CHANGELOG.md | 1 +
 1 file changed, 1 insertion(+)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 8136b37..ca6b49e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,7 @@
 ## v1.2.2 (in development)
 
 ### New features & improvements:
+- Add appsecret_proof support
 
 ### Bug fixes:
 - Hotfixes in class FbBotApp

From 63d1bf19bc9ad5cead5c030429f9a630132c3f97 Mon Sep 17 00:00:00 2001
From: Fabian <fabian.witt@t-online.de>
Date: Sat, 13 Apr 2019 11:37:40 +0200
Subject: [PATCH 3/3] Update FbBotApp.php

add space
---
 FbBotApp.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/FbBotApp.php b/FbBotApp.php
index c51d04b..b880693 100755
--- a/FbBotApp.php
+++ b/FbBotApp.php
@@ -74,7 +74,7 @@ public function __construct($token, $version = null, $app_secret=null)
         }
         
         if (!is_null($app_secret)) {
-            $this->appsecret_proof= hash_hmac('sha256', $this->token, $app_secret); 
+            $this->appsecret_proof = hash_hmac('sha256', $this->token, $app_secret); 
         }
         
         $this->apiUrl = $this->baseApiUrl . $version . "/";