installed plugin Infinite Uploads version 2.0.8

wp-content/plugins/infinite-uploads/vendor/Aws3/GuzzleHttp/RetryMiddleware.php

@@ -0,0 +1,99 @@
+<?php
+
+namespace UglyRobot\Infinite_Uploads\GuzzleHttp;
+
+use UglyRobot\Infinite_Uploads\GuzzleHttp\Promise\PromiseInterface;
+use UglyRobot\Infinite_Uploads\GuzzleHttp\Promise\RejectedPromise;
+use UglyRobot\Infinite_Uploads\GuzzleHttp\Psr7;
+use UglyRobot\Infinite_Uploads\Psr\Http\Message\RequestInterface;
+use UglyRobot\Infinite_Uploads\Psr\Http\Message\ResponseInterface;
+/**
+ * Middleware that retries requests based on the boolean result of
+ * invoking the provided "decider" function.
+ */
+class RetryMiddleware
+{
+    /** @var callable  */
+    private $nextHandler;
+    /** @var callable */
+    private $decider;
+    /** @var callable */
+    private $delay;
+    /**
+     * @param callable $decider     Function that accepts the number of retries,
+     *                              a request, [response], and [exception] and
+     *                              returns true if the request is to be
+     *                              retried.
+     * @param callable $nextHandler Next handler to invoke.
+     * @param callable $delay       Function that accepts the number of retries
+     *                              and [response] and returns the number of
+     *                              milliseconds to delay.
+     */
+    public function __construct(callable $decider, callable $nextHandler, callable $delay = null)
+    {
+        $this->decider = $decider;
+        $this->nextHandler = $nextHandler;
+        $this->delay = $delay ?: __CLASS__ . '::exponentialDelay';
+    }
+    /**
+     * Default exponential backoff delay function.
+     *
+     * @param int $retries
+     *
+     * @return int milliseconds.
+     */
+    public static function exponentialDelay($retries)
+    {
+        return (int) pow(2, $retries - 1) * 1000;
+    }
+    /**
+     * @param RequestInterface $request
+     * @param array            $options
+     *
+     * @return PromiseInterface
+     */
+    public function __invoke(\UglyRobot\Infinite_Uploads\Psr\Http\Message\RequestInterface $request, array $options)
+    {
+        if (!isset($options['retries'])) {
+            $options['retries'] = 0;
+        }
+        $fn = $this->nextHandler;
+        return $fn($request, $options)->then($this->onFulfilled($request, $options), $this->onRejected($request, $options));
+    }
+    /**
+     * Execute fulfilled closure
+     *
+     * @return mixed
+     */
+    private function onFulfilled(\UglyRobot\Infinite_Uploads\Psr\Http\Message\RequestInterface $req, array $options)
+    {
+        return function ($value) use($req, $options) {
+            if (!call_user_func($this->decider, $options['retries'], $req, $value, null)) {
+                return $value;
+            }
+            return $this->doRetry($req, $options, $value);
+        };
+    }
+    /**
+     * Execute rejected closure
+     *
+     * @return callable
+     */
+    private function onRejected(\UglyRobot\Infinite_Uploads\Psr\Http\Message\RequestInterface $req, array $options)
+    {
+        return function ($reason) use($req, $options) {
+            if (!call_user_func($this->decider, $options['retries'], $req, null, $reason)) {
+                return \UglyRobot\Infinite_Uploads\GuzzleHttp\Promise\rejection_for($reason);
+            }
+            return $this->doRetry($req, $options);
+        };
+    }
+    /**
+     * @return self
+     */
+    private function doRetry(\UglyRobot\Infinite_Uploads\Psr\Http\Message\RequestInterface $request, array $options, \UglyRobot\Infinite_Uploads\Psr\Http\Message\ResponseInterface $response = null)
+    {
+        $options['delay'] = call_user_func($this->delay, ++$options['retries'], $response);
+        return $this($request, $options);
+    }
+}