added http code param to WebServer.streamFile (#6899) (#6995)

Author: r-downing

libraries/WebServer/src/WebServer.cpp

@@ -527,7 +527,7 @@ void WebServer::sendContent_P(PGM_P content, size_t size) {
 }
 
 
-void WebServer::_streamFileCore(const size_t fileSize, const String & fileName, const String & contentType)
+void WebServer::_streamFileCore(const size_t fileSize, const String & fileName, const String & contentType, const int code)
 {
   using namespace mime;
   setContentLength(fileSize);
@@ -536,7 +536,7 @@ void WebServer::_streamFileCore(const size_t fileSize, const String & fileName,
       contentType != String(FPSTR(mimeTable[none].mimeType))) {
     sendHeader(F("Content-Encoding"), F("gzip"));
   }
-  send(200, contentType, "");
+  send(code, contentType, "");
 }
 
 String WebServer::pathArg(unsigned int i) {

libraries/WebServer/src/WebServer.h

@@ -139,8 +139,8 @@ class WebServer
   static String urlDecode(const String& text);
 
   template<typename T>
-  size_t streamFile(T &file, const String& contentType) {
-    _streamFileCore(file.size(), file.name(), contentType);
+  size_t streamFile(T &file, const String& contentType, const int code = 200) {
+    _streamFileCore(file.size(), file.name(), contentType, code);
     return _currentClient.write(file);
   }
 
@@ -160,7 +160,7 @@ class WebServer
   void _prepareHeader(String& response, int code, const char* content_type, size_t contentLength);
   bool _collectHeader(const char* headerName, const char* headerValue);
 
-  void _streamFileCore(const size_t fileSize, const String & fileName, const String & contentType);
+  void _streamFileCore(const size_t fileSize, const String & fileName, const String & contentType, const int code = 200);
 
   String _getRandomHexString();
   // for extracting Auth parameters