Fix Host and false stream (#290)

Author: jderusse

src/AbstractApi.php

@@ -16,6 +16,7 @@
 use AsyncAws\Core\Signer\Signer;
 use AsyncAws\Core\Signer\SignerV4;
 use AsyncAws\Core\Stream\StreamFactory;
+use AsyncAws\Core\Stream\StringStream;
 use Psr\Log\LoggerInterface;
 use Psr\Log\NullLogger;
 use Symfony\Component\HttpClient\HttpClient;
@@ -113,11 +114,18 @@ final protected function getResponse(string $method, $body, $headers = [], ?stri
         $request = new Request($method, $this->fillEndpoint($endpoint), $headers, $stream);
         $this->getSigner()->sign($request, $this->credentialProvider->getCredentials($this->configuration));
 
-        if (!$request->hasHeader('content-length') && null !== $length = $request->getBody()->length()) {
+        $length = $request->getBody()->length();
+        if (null !== $length && !$request->hasHeader('content-length')) {
             $request->setHeader('content-length', $length);
         }
 
-        return $this->httpClient->request($request->getMethod(), $request->getUrl(), ['headers' => $request->getHeaders(), 'body' => $request->getBody()]);
+        // Some servers (like testing Docker Images) does not supports `Transfer-Encoding: chunked` requests.
+        // The body is converted into string to prevent curl using `Transfer-Encoding: chunked` unless it really has to.
+        if (($requestBody = $request->getBody()) instanceof StringStream) {
+            $requestBody = $requestBody->stringify();
+        }
+
+        return $this->httpClient->request($request->getMethod(), $request->getUrl(), ['headers' => $request->getHeaders(), 'body' => 0 === $length ? null : $requestBody]);
     }
 
     /**

src/Signer/SignerV4.php

@@ -68,7 +68,7 @@ public function sign(Request $request, ?Credentials $credentials): void
             $request->setHeader('x-amz-security-token', $sessionToken);
         }
 
-        $request->setHeader('host', $parsedUrl['host']);
+        $request->setHeader('host', $parsedUrl['host'] . (isset($parsedUrl['port']) ? ':' . $parsedUrl['port'] : ''));
         $request->setHeader('x-amz-date', $amzDate = gmdate('Ymd\THis\Z'));
         $credentialScope = [substr($amzDate, 0, 8), $this->region, $this->scopeName, 'aws4_request'];