fixed detection of binary strings (#132)

Author: driehle

spec/Formatter/CurlCommandFormatterSpec.php

@@ -91,6 +91,24 @@ function it_formats_requests_with_null_bytes(RequestInterface $request, UriInter
         $this->formatRequest($request)->shouldReturn("curl 'http://foo.com/bar' --request POST --data '[binary stream omitted]'");
     }
 
+    function it_formats_requests_with_line_break(RequestInterface $request, UriInterface $uri, StreamInterface $body)
+    {
+        $request->getUri()->willReturn($uri);
+        $request->getBody()->willReturn($body);
+
+        $body->__toString()->willReturn("foo\nbar");
+        $body->getSize()->willReturn(1);
+        $body->isSeekable()->willReturn(true);
+        $body->rewind()->willReturn(true);
+
+        $uri->withFragment('')->willReturn('http://foo.com/bar');
+        $request->getMethod()->willReturn('POST');
+        $request->getProtocolVersion()->willReturn('1.1');
+        $request->getHeaders()->willReturn([]);
+
+        $this->formatRequest($request)->shouldReturn("curl 'http://foo.com/bar' --request POST --data 'foo\\nbar'");
+    }
+
     function it_formats_requests_with_nonseekable_body(RequestInterface $request, UriInterface $uri, StreamInterface $body)
     {
         $request->getUri()->willReturn($uri);

spec/Formatter/FullHttpMessageFormatterSpec.php

@@ -245,6 +245,28 @@ function it_omits_body_with_null_bytes(RequestInterface $request, StreamInterfac
 GET /foo HTTP/1.1
 
 [binary stream omitted]
+STR;
+        $this->formatRequest($request)->shouldReturn($expectedMessage);
+    }
+
+    function it_omits_body_with_line_break(RequestInterface $request, StreamInterface $stream)
+    {
+        $this->beConstructedWith(7);
+
+        $stream->isSeekable()->willReturn(true);
+        $stream->rewind()->shouldBeCalled();
+        $stream->__toString()->willReturn("foo\nbar");
+        $request->getBody()->willReturn($stream);
+        $request->getMethod()->willReturn('GET');
+        $request->getRequestTarget()->willReturn('/foo');
+        $request->getProtocolVersion()->willReturn('1.1');
+        $request->getHeaders()->willReturn([]);
+
+        $expectedMessage = <<<STR
+GET /foo HTTP/1.1
+
+foo
+bar
 STR;
         $this->formatRequest($request)->shouldReturn($expectedMessage);
     }

src/Formatter/FullHttpMessageFormatter.php

@@ -86,7 +86,8 @@ private function addBody(MessageInterface $request, $message)
         $data = $stream->__toString();
         $stream->rewind();
 
-        if (preg_match('/[\x00-\x1F\x7F]/', $data)) {
+        // all non-printable ASCII characters and <DEL> except for \t, \r, \n
+        if (preg_match('/([\x00-\x09\x0C\x0E-\x1F\x7F])/', $data)) {
             return $message.'[binary stream omitted]';
         }