Initial commit

src/Support/Http.php

@@ -0,0 +1,46 @@
+<?php namespace WpsMcloud\Support;
+
+use Guzzle\Http\Client;
+use Guzzle\Http\Exception\ClientErrorResponseException;
+
+class Http
+{
+    private static Client $guzzle;
+
+    private static function getGuzzle(): Client
+    {
+        if (!isset(static::$guzzle)) {
+            static::$guzzle = new Client();
+        }
+
+        return static::$guzzle;
+    }
+
+    public static function fileExists(string $url, ?\Closure $successCallback = null, ?\Closure $errorCallback = null): bool
+    {
+
+        try {
+            $res = self::getGuzzle()->createRequest('HEAD', $url, null, null, [
+                'allow_redirects' => true,
+            ])->send();
+
+            if ($res->getStatusCode() == 200) {
+                if ($successCallback !== null) {
+                    $successCallback();
+                }
+
+                return true;
+            }
+        } catch (ClientErrorResponseException $e) {
+            if ($errorCallback !== null) {
+                throw $e;
+            }
+        }
+
+        if ($errorCallback !== null) {
+            $errorCallback();
+        }
+
+        return false;
+    }
+}