feat: get status code from HttpStream and process

src/unlocker/proxy.cpp

@@ -132,6 +132,7 @@ struct HttpStream
         bool isChunked = false;
         int contentLength = -1;
         size_t headersEnd = std::string::npos;
+        int statusCode = 0;
 
         void reset()
         {
@@ -139,6 +140,7 @@ struct HttpStream
             isChunked = false;
             contentLength = -1;
             headersEnd = std::string::npos;
+            statusCode = 0;
         }
 
         bool parseHeaders()
@@ -156,6 +158,13 @@ struct HttpStream
                 std::string cl = getHeaderValue(headers, "Content-Length");
                 contentLength = stoiSafe(cl, -1);
             }
+
+            if (headers.compare(0, 5, "HTTP/") == 0)
+            {
+                size_t space = headers.find(' ');
+                if (space != std::string::npos) statusCode = stoiSafe(headers.substr(space + 1, 3));
+            }
+
             isReceivingBody = true;
             return true;
         }
@@ -480,7 +489,14 @@ void Proxy::handleClient(SOCKET clientSocket)
                 std::string fullBody;
                 size_t totalResponseSize = 0;
 
-                if (serverStream.isChunked)
+                if (serverStream.statusCode == 204 || serverStream.statusCode == 304 ||
+                    (serverStream.statusCode >= 100 && serverStream.statusCode < 200))
+                {
+                    fullBody = "";
+                    complete = true;
+                    totalResponseSize = serverStream.headersEnd + 4;
+                }
+                else if (serverStream.isChunked)
                 {
                     size_t idx = serverStream.headersEnd + 4;
                     while (idx < serverStream.buffer.size())