Protect from DoS attack

common/net/transport.go

@@ -17,6 +17,20 @@ func ReadFrom(reader io.Reader, buffer *alloc.Buffer) (*alloc.Buffer, error) {
 	return buffer, err
 }
 
+// ReadAllBytes reads all bytes required from reader, if no error happens.
+func ReadAllBytes(reader io.Reader, buffer []byte) (int, error) {
+	bytesRead := 0
+	bytesAsked := len(buffer)
+	for bytesRead < bytesAsked {
+		nBytes, err := reader.Read(buffer[bytesRead:])
+		bytesRead += nBytes
+		if err != nil {
+			return bytesRead, err
+		}
+	}
+	return bytesRead, nil
+}
+
 // ReaderToChan dumps all content from a given reader to a chan by constantly reading it until EOF.
 func ReaderToChan(stream chan<- *alloc.Buffer, reader io.Reader) error {
 	allocate := alloc.NewBuffer