Allow encoding in Content-Type

fetchmetadata.php

@@ -79,12 +79,12 @@ function badGateway($message)
 if ($data === false)
     badGateway(curl_error($curl));
 
-if (!in_array(curl_getinfo($curl, CURLINFO_CONTENT_TYPE), $SUPPORTED_CONTENT_TYPES))
+if (!in_array(preg_replace('/\s*;.*$/', '', curl_getinfo($curl, CURLINFO_CONTENT_TYPE)), $SUPPORTED_CONTENT_TYPES))
     badGateway('Got unsupported content type. Only accept: ' . implode(', ', $SUPPORTED_CONTENT_TYPES));
 
 http_response_code(curl_getinfo($curl, CURLINFO_RESPONSE_CODE));
 header('Status: ' . curl_getinfo($curl, CURLINFO_RESPONSE_CODE));
-header('Content-Type: text/plain'); /* edit wants plain text, not DOM */
+header('Content-Type: text/plain' . preg_replace('/^[^;]+/', '', curl_getinfo($curl, CURLINFO_CONTENT_TYPE))); /* edit wants plain text, not DOM; preserve encoding */
 header('Content-Length: ' . curl_getinfo($curl, CURLINFO_CONTENT_LENGTH_DOWNLOAD));
 header('X-Location: ' . curl_getinfo($curl, CURLINFO_EFFECTIVE_URL));
 print substr($data, curl_getinfo($curl, CURLINFO_HEADER_SIZE));