also stripping non-alphanumeric chars for normal file upload

Author: FreakyBytes

src/main/java/de/unirostock/sems/cbarchive/web/rest/RestApi.java

@@ -897,9 +897,13 @@ else if( !path.endsWith("/") )
 					// remove leading slash
 					if( fileName.startsWith("/") )
 						fileName = fileName.substring(1);
-						
+					
+					// figuring out a good temp file name (seems like URIs don't like Brackets) 
+					String uploadedFileName = file.getFormDataContentDisposition().getFileName();
+					uploadedFileName = uploadedFileName.replaceAll("[^A-Za-z0-9]", "_");
+					
 					// copy the stream to a temp file
-					java.nio.file.Path temp = Files.createTempFile( Fields.TEMP_FILE_PREFIX, file.getFormDataContentDisposition().getFileName() );
+					java.nio.file.Path temp = Files.createTempFile( Fields.TEMP_FILE_PREFIX, uploadedFileName );
 					// write file to disk
 					OutputStream output = new FileOutputStream( temp.toFile() );
 					InputStream input = file.getEntityAs(InputStream.class);