File indexing completed on 2025-02-02 04:47:49

 /*
  * SPDX-FileCopyrightText: 2021 Daniel Weigl <DanielWeigl@gmx.at>
  *
  * SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
  */
 
 package org.kde.kdeconnect.Helpers;
 
 public class SafeTextChecker {
 
     private final String safeChars;
     private final Integer maxLength;
 
     public SafeTextChecker(String safeChars, Integer maxLength) {
         this.safeChars = safeChars;
         this.maxLength = maxLength;
     }
 
 
     // is used by the SendKeystrokes functionality to evaluate if a to-be-send text is safe for
     // sending without user confirmation
     // only allow sending text that can not harm any connected desktop (like "format c:\n" / "rm -rf\n",...)
     public boolean isSafe(String content) {
         if (content == null) {
             return false;
         }
 
         if (content.length() > maxLength) {
             return false;
         }
 
         for (int i = 0; i < content.length(); i++) {
             String charAtPos = content.substring(i, i + 1);
             if (!safeChars.contains(charAtPos)) {
                 return false;
             }
         }
 
         // we are happy with the string
         return true;
     }
 }