spaces.php

aws/Aws/Handler/GuzzleV6/GuzzleHandler.php

@@ -0,0 +1,86 @@
+<?php
+namespace Aws\Handler\GuzzleV6;
+
+use Aws\Sdk;
+use Exception;
+use GuzzleHttp\Exception\ConnectException;
+use GuzzleHttp\Exception\RequestException;
+use GuzzleHttp\Promise;
+use GuzzleHttp\Client;
+use GuzzleHttp\ClientInterface;
+use GuzzleHttp\TransferStats;
+use Psr\Http\Message\RequestInterface as Psr7Request;
+
+/**
+ * A request handler that sends PSR-7-compatible requests with Guzzle 6.
+ */
+class GuzzleHandler
+{
+    /** @var ClientInterface */
+    private $client;
+
+    /**
+     * @param ClientInterface $client
+     */
+    public function __construct(ClientInterface $client = null)
+    {
+        $this->client = $client ?: new Client();
+    }
+
+    /**
+     * @param Psr7Request $request
+     * @param array       $options
+     *
+     * @return Promise\Promise
+     */
+    public function __invoke(Psr7Request $request, array $options = [])
+    {
+        $request = $request->withHeader(
+            'User-Agent',
+            $request->getHeaderLine('User-Agent')
+                . ' ' . \GuzzleHttp\default_user_agent()
+        );
+
+        return $this->client->sendAsync($request, $this->parseOptions($options))
+            ->otherwise(
+                static function (\Exception $e) {
+                    $error = [
+                        'exception'        => $e,
+                        'connection_error' => $e instanceof ConnectException,
+                        'response'         => null,
+                    ];
+
+                    if ($e instanceof RequestException && $e->getResponse()) {
+                        $error['response'] = $e->getResponse();
+                    }
+
+                    return new Promise\RejectedPromise($error);
+                }
+            );
+    }
+
+    private function parseOptions(array $options)
+    {
+        if (isset($options['http_stats_receiver'])) {
+            $fn = $options['http_stats_receiver'];
+            unset($options['http_stats_receiver']);
+
+            $prev = isset($options['on_stats'])
+                ? $options['on_stats']
+                : null;
+
+            $options['on_stats'] = static function (
+                TransferStats $stats
+            ) use ($fn, $prev) {
+                if (is_callable($prev)) {
+                    $prev($stats);
+                }
+                $transferStats = ['total_time' => $stats->getTransferTime()];
+                $transferStats += $stats->getHandlerStats();
+                $fn($transferStats);
+            };
+        }
+
+        return $options;
+    }
+}