From 9f0768d1b827b938ef66385f2ac41136d65701de Mon Sep 17 00:00:00 2001
From: Raza Mehdi <srmk@outlook.com>
Date: Wed, 27 Sep 2023 14:11:12 +0500
Subject: [PATCH] Move JSON validation to derived class.

---
 phpunit.xml.dist                |  1 +
 phpunit.xml.dist.php72          |  3 ++-
 phpunit.xml.dist.php8           |  1 +
 src/Services/Str.php            | 34 +++++++++++++++++++++++++++++++++
 src/Traits/PayPalHttpClient.php |  2 +-
 5 files changed, 39 insertions(+), 2 deletions(-)
 create mode 100644 src/Services/Str.php

diff --git a/phpunit.xml.dist b/phpunit.xml.dist
index 69320de0..139dd0a3 100644
--- a/phpunit.xml.dist
+++ b/phpunit.xml.dist
@@ -22,6 +22,7 @@
     <exclude>
       <file>src/PayPalFacadeAccessor.php</file>
       <file>src/Traits/PayPalVerifyIPN.php</file>
+      <file>src/Services/Str.php</file>
       <directory suffix=".php">src/Facades/</directory>
       <directory suffix=".php">src/Providers/</directory>
     </exclude>
diff --git a/phpunit.xml.dist.php72 b/phpunit.xml.dist.php72
index 83162cb3..69b5cd67 100644
--- a/phpunit.xml.dist.php72
+++ b/phpunit.xml.dist.php72
@@ -19,7 +19,8 @@
       <directory suffix=".php">src/</directory>
       <exclude>
         <file>src/PayPalFacadeAccessor.php</file>
-        <file suffix=".php">src/Traits/PayPalVerifyIPN.php</file>
+        <file>src/Traits/PayPalVerifyIPN.php</file>
+        <file>src/Services/Str.php</file>
         <directory suffix=".php">src/Facades/</directory>
         <directory suffix=".php">src/Providers/</directory>
       </exclude>
diff --git a/phpunit.xml.dist.php8 b/phpunit.xml.dist.php8
index 9371056b..0748be70 100644
--- a/phpunit.xml.dist.php8
+++ b/phpunit.xml.dist.php8
@@ -7,6 +7,7 @@
     <exclude>
       <file>src/PayPalFacadeAccessor.php</file>
       <file>src/Traits/PayPalVerifyIPN.php</file>
+      <file>src/Services/Str.php</file>
       <directory suffix=".php">src/Facades/</directory>
       <directory suffix=".php">src/Providers/</directory>
     </exclude>
diff --git a/src/Services/Str.php b/src/Services/Str.php
new file mode 100644
index 00000000..0fb4576f
--- /dev/null
+++ b/src/Services/Str.php
@@ -0,0 +1,34 @@
+<?php
+
+namespace Srmklive\PayPal\Services;
+
+use GuzzleHttp\Utils;
+
+class Str extends \Illuminate\Support\Str
+{
+    /**
+     * Determine if a given value is valid JSON.
+     *
+     * @param mixed $value
+     *
+     * @return bool
+     */
+    public static function isJson($value): bool
+    {
+        if (!is_string($value)) {
+            return false;
+        }
+
+        if (function_exists('json_validate')) {
+            return json_validate($value, 512);
+        }
+
+        try {
+            Utils::jsonDecode($value, true, 512, 4194304);
+        } catch (\JsonException $jsonException) {
+            return false;
+        }
+
+        return true;
+    }
+}
diff --git a/src/Traits/PayPalHttpClient.php b/src/Traits/PayPalHttpClient.php
index 93d3466c..b5bd1c70 100644
--- a/src/Traits/PayPalHttpClient.php
+++ b/src/Traits/PayPalHttpClient.php
@@ -5,9 +5,9 @@
 use GuzzleHttp\Client as HttpClient;
 use GuzzleHttp\Exception\ClientException as HttpClientException;
 use GuzzleHttp\Utils;
-use Illuminate\Support\Str;
 use Psr\Http\Message\StreamInterface;
 use RuntimeException;
+use Srmklive\PayPal\Services\Str;
 
 trait PayPalHttpClient
 {