package edu.jiangxin.apktoolbox.file.password.recovery.checker;
   
   import edu.jiangxin.apktoolbox.file.password.recovery.exception.UnknownException;
   import net.lingala.zip4j.exception.ZipException;
   import net.lingala.zip4j.io.inputstream.ZipInputStream;
   
   import java.io.FileInputStream;
   import java.io.IOException;
   import java.nio.charset.StandardCharsets;
  
  public final class ZipChecker extends FileChecker {
      private static final boolean DEBUG = false;
  
      public ZipChecker() {
          super();
      }
  
      @Override
      public String[] getFileExtensions() {
          return new String[]{"zip"};
      }
  
      @Override
      public String getFileDescription() {
          return "*.zip";
      }
  
      @Override
      public String getDescription() {
          return "ZIP Checker(Not support Non-ASCII password)";
      }
  
      @Override
      public boolean prepareChecker() {
          return true;
      }
  
      @Override
      public boolean checkPassword(String password) {
          if (DEBUG) {
              logger.info("checkPassword: " + password);
          }
          boolean result = false;
          byte[] readBuffer = new byte[4096];
          try (ZipInputStream zipInputStream = new ZipInputStream(new FileInputStream(file), password.toCharArray(), StandardCharsets.UTF_8)) {
              while (zipInputStream.getNextEntry() != null) {
                  while (zipInputStream.read(readBuffer) != -1) {
                      // do nothing
                  }
              }
              result = true;
          } catch (ZipException e) {
              if (DEBUG) {
                  logger.error("checkPassword: ", e.getClass());
              }
          } catch (IOException e) {
              throw new UnknownException(e);
          }
          return result;
      }
  }