2023-12-23 19:47:21 +01:00
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<!DOCTYPE html>
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<html th:lang="${#locale.toString()}" th:lang-direction="#{language.direction}" xmlns:th="http://www.thymeleaf.org">
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2024-01-02 00:37:20 +01:00
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<th:block th:insert="~{fragments/common :: head(title=#{removeAnnotations.title}, header=#{removeAnnotations.header})}"></th:block>
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2023-12-23 19:47:21 +01:00
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<body>
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<div id="page-container">
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<div id="content-wrap">
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<div th:insert="~{fragments/navbar.html :: navbar}"></div>
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<br> <br>
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<div class="container">
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<div class="row justify-content-center">
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<div class="col-md-6">
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<h2 th:text="#{removeAnnotations.header}"></h2>
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<form id="pdfForm" class="mb-3">
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<div class="custom-file">
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<div th:replace="~{fragments/common :: fileSelector(name='fileInput', multiple=false, accept='application/pdf', remoteCall='false')}"></div>
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</div>
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<button type="submit" id="submitBtn" class="btn btn-primary" th:text="#{removeAnnotations.submit}"></button>
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</form>
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</div>
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</div>
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</div>
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</div>
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<div th:insert="~{fragments/footer.html :: footer}"></div>
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</div>
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<script src="js/local-pdf-input-download.js"></script>
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<script>
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document.getElementById('pdfForm').addEventListener('submit', async (e) => {
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e.preventDefault();
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const { PDFDocument } = PDFLib;
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const processFile = async (file) => {
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const origFileUrl = URL.createObjectURL(file);
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const formPdfBytes = await fetch(origFileUrl).then(res => res.arrayBuffer());
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const pdfDoc = await PDFDocument.load(formPdfBytes, { ignoreEncryption: true });
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const pages = pdfDoc.getPages();
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for (let i = 0; i < pages.length; ++i) {
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const page = pages[i];
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const annotations = page.node.Annots();
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if (!annotations) continue;
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const ctx = annotations.context;
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for (let j = 0; j < annotations.size(); ++j) {
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const annotation = annotations.get(j);
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ctx.delete(annotation);
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}
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}
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const pdfBytes = await pdfDoc.save();
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const pdfBlob = new Blob([pdfBytes], { type: 'application/pdf' });
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const fileName = (file.name ? file.name.replace('.pdf', '') : 'pdf') + '_removed_annotations.pdf';
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return { processedData: pdfBlob, fileName };
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};
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await downloadFilesWithCallback(processFile);
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});
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</script>
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</body>
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</html>
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