version 1.5

libs/vendor/php-http/client-common/src/Plugin/ContentLengthPlugin.php

@@ -0,0 +1,39 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Http\Client\Common\Plugin;
+
+use Http\Client\Common\Plugin;
+use Http\Message\Encoding\ChunkStream;
+use Http\Promise\Promise;
+use Psr\Http\Message\RequestInterface;
+
+/**
+ * Allow to set the correct content length header on the request or to transfer it as a chunk if not possible.
+ *
+ * @author Joel Wurtz <joel.wurtz@gmail.com>
+ */
+final class ContentLengthPlugin implements Plugin
+{
+    /**
+     * {@inheritdoc}
+     */
+    public function handleRequest(RequestInterface $request, callable $next, callable $first): Promise
+    {
+        if (!$request->hasHeader('Content-Length')) {
+            $stream = $request->getBody();
+
+            // Cannot determine the size so we use a chunk stream
+            if (null === $stream->getSize()) {
+                $stream = new ChunkStream($stream);
+                $request = $request->withBody($stream);
+                $request = $request->withAddedHeader('Transfer-Encoding', 'chunked');
+            } else {
+                $request = $request->withHeader('Content-Length', (string) $stream->getSize());
+            }
+        }
+
+        return $next($request);
+    }
+}