fix bug of ip-port (#131)

Author: lewzylu

src/Qcloud/Cos/Client.php

@@ -110,7 +110,7 @@ public function responseToResultTransformer(ResponseInterface $response, Request
         if ($command['Bucket'] != null && $response['Bucket'] == null) {
             $response['Bucket'] = $command['Bucket'];
         }
-        $response['Location'] = $request->getUri()->getHost() .  $request->getUri()->getPath();
+        $response['Location'] = $request->getHeader("Host")[0] .  $request->getUri()->getPath();
 
         return $response;
     }

src/Qcloud/Cos/CosTransformer.php

@@ -57,21 +57,26 @@ public function bucketStyleTransformer(CommandInterface $command, RequestInterfa
             }
         }
 
-        $host = $bucketname. '.cos.' . $this->config['region'] . '.' . $this->config['endpoint'];
+        $origin_host = $bucketname. '.cos.' . $this->config['region'] . '.' . $this->config['endpoint'];
+        $host = $origin_host;
         if ($this->config['ip'] != null) {
             $host = $this->config['ip'];
             if ($this->config['port'] != null) {
                 $host = $this->config['ip'] . ":" . $this->config['port'];
             }
         }
+
+
         $path = $this->config['schema'].'://'. $host . $uri;
         $uri = new Uri($path);
         $query = $request->getUri()->getQuery();
         if ($uri->getQuery() != $query && $uri->getQuery() != "") {
             $query =   $uri->getQuery() . "&" . $request->getUri()->getQuery();
         }
         $uri = $uri->withQuery($query);
-        return $request->withUri($uri);
+        $request = $request->withUri($uri);
+        $request = $request->withHeader('Host', $origin_host);
+        return $request;
     }
 
     // format upload body

src/Qcloud/Cos/Signature.php

@@ -21,7 +21,7 @@ public function signRequest(RequestInterface $request) {
     public function createAuthorization(RequestInterface $request, $expires = "+30 minutes") {
         $signTime = (string)(time() - 60) . ';' . (string)(strtotime($expires));
         $httpString = strtolower($request->getMethod()) . "\n" . urldecode($request->getUri()->getPath()) .
-            "\n\nhost=" . $request->getUri()->getHost() . "\n";
+            "\n\nhost=" . $request->getHeader("Host")[0]. "\n";
         $sha1edHttpString = sha1($httpString);
         $stringToSign = "sha1\n$signTime\n$sha1edHttpString\n";
         $signKey = hash_hmac('sha1', $signTime, $this->secretKey);