voids problems when attempting to view files with strange characters

main/inc/lib/fckeditor/editor/plugins/ajaxfilemanager/inc/class.upload.php

@@ -204,7 +204,7 @@ class Upload
 		{
 			$this->fileBaseName = $fileBaseName;
 		}
-		$this->fileBaseName=disable_dangerous_file(replace_dangerous_char(str_replace(' ','_',$this->fileBaseName)));// Juan Carlos Raña replace space by _ because fix long names. See: ajaxfilemanager/inc/class.manager.php. And add cleaning from dokeos replace_dangerous_char() and disable_dangerous_file()
+		$this->fileBaseName=disable_dangerous_file(replace_dangerous_char(str_replace(' ','_',$this->fileBaseName),'strict'));// Juan Carlos Raña replace space by _ because fix long names. See: ajaxfilemanager/inc/class.manager.php. And add cleaning from dokeos replace_dangerous_char() and disable_dangerous_file()
 		$fileName = $this->fileBaseName . $this->fileExtension;
 		$filePath = $dest . $fileName;
 

main/inc/lib/fileUpload.lib.php

@@ -248,8 +248,8 @@ function handle_uploaded_document($_course,$uploaded_file,$base_work_dir,$upload
 	}
 	else
 	{
-		//clean up the name, only ASCII characters should stay.
-		$clean_name = replace_dangerous_char($uploaded_file['name']);
+		//clean up the name, only ASCII characters should stay. (and strict)
+		$clean_name = replace_dangerous_char($uploaded_file['name'], 'strict');
 		//no "dangerous" files
 		$clean_name = disable_dangerous_file($clean_name);
 		if(!filter_extension($clean_name))
@@ -703,7 +703,7 @@ function treat_uploaded_file($uploadedFile, $baseWorkDir, $uploadPath, $maxFille
 		$fileName = trim($uploadedFile['name']);
 
 		// CHECK FOR NO DESIRED CHARACTERS
-		$fileName = replace_dangerous_char($fileName);
+		$fileName = replace_dangerous_char($fileName, 'strict');
 
 		// TRY TO ADD AN EXTENSION TO FILES WITOUT EXTENSION
 		$fileName = add_ext_on_mime($fileName,$uploadedFile['type']);
@@ -1867,7 +1867,7 @@ $handle=opendir($path);
 	    else
 		{
 			//rename
-			$safe_file=disable_dangerous_file(replace_dangerous_char($file));
+			$safe_file=disable_dangerous_file(replace_dangerous_char($file, 'strict'));
 			@rename($base_work_dir.$current_path.'/'.$file,$base_work_dir.$current_path.'/'.$safe_file);
 
 			if(!DocumentManager::get_document_id($_course, $current_path.'/'.$safe_file))