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pdf-sanitizer

v1.0.0

Published

一个用于处理 PDF 文件的 JavaScript 库,能够从 PDF 文件中移除敏感文本。通过绘制矩形覆盖指定位置的文本,从而确保敏感信息不会被泄露。 A JavaScript library for processing PDF files that can remove sensitive text from PDF documents. It covers specified text locations with rectangles to ensure sensitive informatio

Downloads

74

Readme

pdf-sanitizer

pdf-sanitizer 是一个用于处理 PDF 文件的 JavaScript 库,能够从 PDF 文件中移除敏感文本。通过绘制矩形覆盖指定位置的文本,从而确保敏感信息不会被泄露。

pdf-sanitizer is a JavaScript library for processing PDF files that can remove sensitive text from PDF documents. It covers specified text locations with rectangles to ensure sensitive information is not exposed.

特性 / Features

可以指定文本位置、大小、颜色以及处理的页码。 / Specify text position, size, color, and pages to process.

安装 / Installation

使用 npm 安装 / Install via npm:

npm install pdf-sanitizer

使用 / Usage

以下是一个简单的示例,展示如何使用 sanitizePdf 函数:

Here’s a simple example demonstrating how to use the sanitizePdf function:

const fs = require('fs');
const sanitizePdf = require('sanitize-pdf');

(async () => {
  const inputBuffer = fs.readFileSync('input.pdf');
  
  const options = [
    {
      textX: 50,
      textY: 100,
      textHeight: 20,
      textWidth: 200,
      color: { r: 1, g: 1, b: 1 },
      pageNumbers: [1] // 处理第一页
    }
  ];

  const outputBuffer = await sanitizePdf(inputBuffer, options);
  fs.writeFileSync('output.pdf', outputBuffer);
})();

API

sanitizePdf(inputBuffer, options)

  • 参数 / Parameters:

  • inputBuffer: Buffer - 输入的 PDF 文件的 Buffer。/ The input PDF file as a Buffer.

  • options: Array - 参数数组,每个元素是一个对象,包含以下属性:/ An array of options, each being an object with the following properties:

    • textX: number - 文本的 X 坐标。/ The X coordinate of the text.
    • textY: number - 文本的 Y 坐标(相对于页面的高度)。/ The Y coordinate of the text (relative to the height of the page).
    • textHeight: number - 文本的高度。/ The height of the text.
    • textWidth: number - 文本的宽度。/ The width of the text.
    • color: Object - 绘制矩形的颜色,格式为 { r: number, g: number, b: number }(默认值为白色)。/ The color of the rectangle to draw, formatted as { r: number, g: number, b: number } (default is white).
    • pageNumbers: Array - 可选页码数组,指定要处理的页码(从 1 开始)。/ An optional array of page numbers specifying which pages to process (starting from 1).
  • 返回值 / Return Value: Uint8Array - 输出处理后的 PDF 文件的 Uint8Array。/ The output processed PDF file as a Uint8Array.

示例

以下是一个简单的示例,展示如何使用 sanitizePdf 函数:

Here’s a simple example demonstrating how to use the sanitizePdf function:

const fs = require('fs');
const sanitizePdf = require('sanitize-pdf');

(async () => {
  const inputBuffer = fs.readFileSync('input.pdf');
  
  const options = [
    {
      textX: 50,
      textY: 100,
      textHeight: 20,
      textWidth: 200,
      color: { r: 1, g: 1, b: 1 },
      pageNumbers: [1] // 处理第一页
    }
  ];

  const outputBuffer = await sanitizePdf(inputBuffer, options);
  fs.writeFileSync('output.pdf', outputBuffer);
})();

贡献 / Contributing

欢迎任何形式的贡献!请提交问题或拉取请求。/ Contributions are welcome! Please submit issues or pull requests.

许可证 / License

MIT 许可证。请查看 LICENSE 文件以获取更多信息。/ MIT License. Please see the LICENSE file for more information.

联系 / Contact

如有问题,欢迎通过 GitHub Issues 联系我。/ If you have any questions, feel free to reach out via GitHub Issues.


如需了解更多信息,请查看 项目主页。/ For more information, please visit the project homepage.