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PDF redaction in JavaScript

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Sample JavaScript code for using Apryse SDK to remove potentially sensitive content within PDF documents. Using 'pdftron.PDF.Redactor' makes sure that if a portion of an image, text, or vector graphics is contained in a redaction region, that portion is destroyed and is not simply hidden with clipping or image masks. Learn more about our JavaScript PDF Library.

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JavaScript

HTML

//---------------------------------------------------------------------------------------
// Copyright (c) 2001-2023 by Apryse Software Inc. All Rights Reserved.
// Consult legal.txt regarding legal and license information.
//---------------------------------------------------------------------------------------

(exports => {




  exports.runPDFRedactTest = () => {
    const PDFNet = exports.Core.PDFNet;

    const main = async () => {
      // Relative path to the folder containing test files.
      const inputPath = '../TestFiles/';
      try {
        const doc = await PDFNet.PDFDoc.createFromURL(inputPath + 'newsletter.pdf');
        doc.initSecurityHandler();
        doc.lock();

        const redactionArray = []; // we will contain a list of redaction objects in this array
        redactionArray.push(await PDFNet.Redactor.redactionCreate(1, await PDFNet.Rect.init(100, 100, 550, 600), false, 'Top Secret'));
        redactionArray.push(await PDFNet.Redactor.redactionCreate(2, await PDFNet.Rect.init(30, 30, 450, 450), true, 'Negative Redaction'));
        redactionArray.push(await PDFNet.Redactor.redactionCreate(2, await PDFNet.Rect.init(0, 0, 100, 100), false, 'Positive'));
        redactionArray.push(await PDFNet.Redactor.redactionCreate(2, await PDFNet.Rect.init(100, 100, 200, 200), false, 'Positive'));
        redactionArray.push(await PDFNet.Redactor.redactionCreate(2, await PDFNet.Rect.init(300, 300, 400, 400), false, ''));
        redactionArray.push(await PDFNet.Redactor.redactionCreate(2, await PDFNet.Rect.init(500, 500, 600, 600), false, ''));
        redactionArray.push(await PDFNet.Redactor.redactionCreate(3, await PDFNet.Rect.init(0, 0, 700, 20), false, ''));

        const blue = await PDFNet.ColorPt.init(0.1, 0.2, 0.6, 0);
        const timesFont = await PDFNet.Font.create(doc, PDFNet.Font.StandardType1Font.e_times_roman);
        const appear = { redaction_overlay: true, positive_overlay_color: blue, border: false, font: timesFont, show_redacted_content_regions: true };
        PDFNet.Redactor.redact(doc, redactionArray, appear, false, false);

        const docbuf = await doc.saveMemoryBuffer(PDFNet.SDFDoc.SaveOptions.e_linearized);
        saveBufferAsPDFDoc(docbuf, 'redacted.pdf');
        console.log('Done...');
      } catch (err) {
        console.log(err.stack);
      }
    };
    // add your own license key as the second parameter, e.g. PDFNet.runWithCleanup(main, 'YOUR_LICENSE_KEY')
    PDFNet.runWithCleanup(main);
  };
})(window);
// eslint-disable-next-line spaced-comment
//# sourceURL=PDFRedactTest.js