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org.apache.poi.openxml4j.util.ZipSecureFile.getMaxTextSize()方法的使用及代码示例

转载 作者:知者 更新时间:2024-03-14 03:31:31 27 4
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本文整理了Java中org.apache.poi.openxml4j.util.ZipSecureFile.getMaxTextSize()方法的一些代码示例,展示了ZipSecureFile.getMaxTextSize()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台,是从一些精选项目中提取出来的代码,具有较强的参考意义,能在一定程度帮忙到你。ZipSecureFile.getMaxTextSize()方法的具体详情如下:
包路径:org.apache.poi.openxml4j.util.ZipSecureFile
类名称:ZipSecureFile
方法名:getMaxTextSize

ZipSecureFile.getMaxTextSize介绍

[英]Returns the current maximum allowed text size. See setMaxTextSize() for details.
[中]返回当前允许的最大文本大小。有关详细信息,请参阅setMaxTextSize()。

代码示例

代码示例来源:origin: org.apache.poi/poi-ooxml

protected void checkMaxTextSize(CharSequence text, String string) {
    if(string == null) {
      return;
    }

    int size = text.length() + string.length();
    if(size > ZipSecureFile.getMaxTextSize()) {
      throw new IllegalStateException("The text would exceed the max allowed overall size of extracted text. "
          + "By default this is prevented as some documents may exhaust available memory and it may indicate that the file is used to inflate memory usage and thus could pose a security risk. "
          + "You can adjust this limit via ZipSecureFile.setMaxTextSize() if you need to work with files which have a lot of text. "
          + "Size: " + size + ", limit: MAX_TEXT_SIZE: " + ZipSecureFile.getMaxTextSize());
    }
  }
}

代码示例来源:origin: pentaho/pentaho-kettle

@Test
public void testZipBombConfiguration() throws Exception {
 Long maxEntrySizeVal = 3L * 1024 * 1024 * 1024;
 Long maxTextSizeVal = 2L * 1024 * 1024 * 1024;
 Double minInflateRatioVal = 0.123d;
 // First set the property values
 System.setProperty( Const.KETTLE_ZIP_MAX_ENTRY_SIZE, maxEntrySizeVal.toString() );
 System.setProperty( Const.KETTLE_ZIP_MAX_TEXT_SIZE, maxTextSizeVal.toString() );
 System.setProperty( Const.KETTLE_ZIP_MIN_INFLATE_RATIO, minInflateRatioVal.toString() );
 //ExcelInput excelInput = new ExcelInput( null, null, 0, null, null );
 // Initializing the ExcelInput step should make the new values to be set
 meta.setSpreadSheetType( SpreadSheetType.SAX_POI );
 init( "Balance_Type_Codes.xlsx" );
 // Verify that the setted values were used
 assertEquals( maxEntrySizeVal, (Long) ZipSecureFile.getMaxEntrySize() );
 assertEquals( maxTextSizeVal, (Long) ZipSecureFile.getMaxTextSize() );
 assertEquals( minInflateRatioVal, (Double) ZipSecureFile.getMinInflateRatio() );
}

代码示例来源:origin: pentaho/pentaho-kettle

@Test
public void testZipBombConfiguration_Default() throws Exception {
 // First set some random values
 Long bogusMaxEntrySize = 1000L;
 ZipSecureFile.setMaxEntrySize( bogusMaxEntrySize );
 Long bogusMaxTextSize = 1000L;
 ZipSecureFile.setMaxTextSize( bogusMaxTextSize );
 Double bogusMinInflateRatio = 0.5d;
 ZipSecureFile.setMinInflateRatio( bogusMinInflateRatio );
 // Verify that the bogus values were set
 assertEquals( bogusMaxEntrySize, (Long) ZipSecureFile.getMaxEntrySize() );
 assertEquals( bogusMaxTextSize, (Long) ZipSecureFile.getMaxTextSize() );
 assertEquals( bogusMinInflateRatio, (Double) ZipSecureFile.getMinInflateRatio() );
 // Initializing the ExcelInput step should make the new values to be set
 meta.setSpreadSheetType( SpreadSheetType.SAX_POI );
 init( "Balance_Type_Codes.xlsx" );
 // Verify that the default values were used
 assertEquals( Const.KETTLE_ZIP_MAX_ENTRY_SIZE_DEFAULT, (Long) ZipSecureFile.getMaxEntrySize() );
 assertEquals( Const.KETTLE_ZIP_MAX_TEXT_SIZE_DEFAULT, (Long) ZipSecureFile.getMaxTextSize() );
 assertEquals( Const.KETTLE_ZIP_MIN_INFLATE_RATIO_DEFAULT, (Double) ZipSecureFile.getMinInflateRatio() );
}

代码示例来源:origin: org.apache.servicemix.bundles/org.apache.servicemix.bundles.poi

protected void checkMaxTextSize(CharSequence text, String string) {
    if(string == null) {
      return;
    }

    int size = text.length() + string.length();
    if(size > ZipSecureFile.getMaxTextSize()) {
      throw new IllegalStateException("The text would exceed the max allowed overall size of extracted text. "
          + "By default this is prevented as some documents may exhaust available memory and it may indicate that the file is used to inflate memory usage and thus could pose a security risk. "
          + "You can adjust this limit via ZipSecureFile.setMaxTextSize() if you need to work with files which have a lot of text. "
          + "Size: " + size + ", limit: MAX_TEXT_SIZE: " + ZipSecureFile.getMaxTextSize());
    }
  }
}

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