mirror of
https://github.com/Frooodle/Stirling-PDF.git
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update
This commit is contained in:
Anthony Stirling
parent
b07437dbfa
commit
1e35556034
@ -0,0 +1,139 @@
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package stirling.software.SPDF.controller.api.converters;
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import java.io.IOException;
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import org.commonmark.node.Node;
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import org.commonmark.parser.Parser;
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import org.commonmark.renderer.html.HtmlRenderer;
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import org.springframework.http.ResponseEntity;
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import org.springframework.web.bind.annotation.PostMapping;
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import org.springframework.web.bind.annotation.RequestPart;
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import org.springframework.web.bind.annotation.RestController;
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import org.springframework.web.multipart.MultipartFile;
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import io.swagger.v3.oas.annotations.Hidden;
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import io.swagger.v3.oas.annotations.Operation;
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import io.swagger.v3.oas.annotations.tags.Tag;
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import stirling.software.SPDF.utils.FileToPdf;
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import stirling.software.SPDF.utils.WebResponseUtils;
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import org.springframework.web.bind.annotation.PostMapping;
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import org.springframework.web.bind.annotation.RequestPart;
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import org.springframework.web.bind.annotation.RestController;
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import org.springframework.web.multipart.MultipartFile;
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import org.springframework.http.ResponseEntity;
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import io.swagger.v3.oas.annotations.Operation;
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import javax.xml.parsers.DocumentBuilderFactory;
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import javax.xml.parsers.DocumentBuilder;
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import org.w3c.dom.Document;
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import org.w3c.dom.Element;
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import org.w3c.dom.NodeList;
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import org.xml.sax.InputSource;
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import java.io.ByteArrayOutputStream;
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import java.io.IOException;
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import java.io.StringReader;
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import java.util.ArrayList;
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import java.util.HashMap;
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import java.util.List;
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import java.util.Map;
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import java.util.zip.ZipEntry;
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import java.util.zip.ZipInputStream;
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@RestController
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@Tag(name = "Convert", description = "Convert APIs")
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public class ConvertEpubToPdf {
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//TODO
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@PostMapping(consumes = "multipart/form-data", value = "/epub-to-single-pdf")
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@Hidden
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@Operation(
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summary = "Convert an EPUB file to a single PDF",
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description = "This endpoint takes an EPUB file input and converts it to a single PDF."
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)
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public ResponseEntity<byte[]> epubToSinglePdf(
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@RequestPart(required = true, value = "fileInput") MultipartFile fileInput)
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throws Exception {
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if (fileInput == null) {
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throw new IllegalArgumentException("Please provide an EPUB file for conversion.");
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}
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String originalFilename = fileInput.getOriginalFilename();
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if (originalFilename == null || !originalFilename.endsWith(".epub")) {
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throw new IllegalArgumentException("File must be in .epub format.");
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}
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Map<String, byte[]> epubContents = extractEpubContent(fileInput);
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List<String> htmlFilesOrder = getHtmlFilesOrderFromOpf(epubContents);
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List<byte[]> individualPdfs = new ArrayList<>();
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for (String htmlFile : htmlFilesOrder) {
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byte[] htmlContent = epubContents.get(htmlFile);
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byte[] pdfBytes = FileToPdf.convertHtmlToPdf(htmlContent, htmlFile.replace(".html", ".pdf"));
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individualPdfs.add(pdfBytes);
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}
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// Pseudo-code to merge individual PDFs into one.
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byte[] mergedPdfBytes = mergeMultiplePdfsIntoOne(individualPdfs);
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return WebResponseUtils.bytesToWebResponse(mergedPdfBytes, originalFilename.replace(".epub", ".pdf"));
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}
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// Assuming a pseudo-code function that merges multiple PDFs into one.
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private byte[] mergeMultiplePdfsIntoOne(List<byte[]> individualPdfs) {
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// You can use a library such as iText or PDFBox to perform the merging here.
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// Return the byte[] of the merged PDF.
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return null;
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}
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private Map<String, byte[]> extractEpubContent(MultipartFile fileInput) throws IOException {
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Map<String, byte[]> contentMap = new HashMap<>();
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try (ZipInputStream zis = new ZipInputStream(fileInput.getInputStream())) {
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ZipEntry zipEntry = zis.getNextEntry();
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while (zipEntry != null) {
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ByteArrayOutputStream baos = new ByteArrayOutputStream();
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byte[] buffer = new byte[1024];
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int read = 0;
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while ((read = zis.read(buffer)) != -1) {
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baos.write(buffer, 0, read);
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}
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contentMap.put(zipEntry.getName(), baos.toByteArray());
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zipEntry = zis.getNextEntry();
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}
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}
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return contentMap;
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}
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private List<String> getHtmlFilesOrderFromOpf(Map<String, byte[]> epubContents) throws Exception {
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String opfContent = new String(epubContents.get("OEBPS/content.opf")); // Adjusting for given path
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DocumentBuilderFactory dbFactory = DocumentBuilderFactory.newInstance();
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DocumentBuilder dBuilder = dbFactory.newDocumentBuilder();
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InputSource is = new InputSource(new StringReader(opfContent));
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Document doc = dBuilder.parse(is);
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NodeList itemRefs = doc.getElementsByTagName("itemref");
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List<String> htmlFilesOrder = new ArrayList<>();
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for (int i = 0; i < itemRefs.getLength(); i++) {
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Element itemRef = (Element) itemRefs.item(i);
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String idref = itemRef.getAttribute("idref");
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NodeList items = doc.getElementsByTagName("item");
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for (int j = 0; j < items.getLength(); j++) {
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Element item = (Element) items.item(j);
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if (idref.equals(item.getAttribute("id"))) {
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htmlFilesOrder.add(item.getAttribute("href")); // Fetching the actual href
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break;
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}
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}
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}
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return htmlFilesOrder;
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}
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}
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@ -260,6 +260,37 @@ PdfToSinglePage.tags=single page
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# WEB PAGES #
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# #
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###########################
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#pdfToSinglePage
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pdfToSinglePage.title=PDF To Single Page
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pdfToSinglePage.header=PDF To Single Page
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pdfToSinglePage.submit=Convert To Single Page
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#pageExtracter
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pageExtracter.title=Extract Pages
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pageExtracter.header=Extract Pages
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pageExtracter.submit=Extract
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#getPdfInfo
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getPdfInfo.title=Get Info on PDF
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getPdfInfo.header=Get Info on PDF
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getPdfInfo.submit=Get Info
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getPdfInfo.downloadJson=Download JSON
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#markdown-to-pdf
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MarkdownToPDF.title=Markdown To PDF
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MarkdownToPDF.header=Markdown To PDF
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MarkdownToPDF.submit=Convert
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MarkdownToPDF.help=Work in progress
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MarkdownToPDF.credit=Uses WeasyPrint
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#url-to-pdf
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URLToPDF.title=URL To PDF
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URLToPDF.header=URL To PDF
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@ -17,7 +17,7 @@
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<div th:replace="~{fragments/common :: fileSelector(name='fileInput', multiple=false, accept='application/pdf')}"></div>
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<input type="hidden" id="customMode" name="customMode" value="">
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<div class="form-group">
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<label for="pageOrder" th:text="#{pageSelection}"></label>
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<label for="pageOrder" th:text="#{pageOrderPrompt}"></label>
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<input type="text" class="form-control" id="pageOrder" name="pageOrder" placeholder="(e.g. 1,2,8 or 4,7,12-16 or 2n-1)" required>
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</div>
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@ -57,6 +57,8 @@
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<div th:replace="~{fragments/navbarEntry :: navbarEntry ( 'auto-split-pdf', 'images/layout-split.svg', 'home.autoSplitPDF.title', 'home.autoSplitPDF.desc', 'autoSplitPDF.tags')}"></div>
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<div th:replace="~{fragments/navbarEntry :: navbarEntry ('adjust-contrast', 'images/adjust-contrast.svg', 'home.adjust-contrast.title', 'home.adjust-contrast.desc', 'adjust-contrast.tags')}"></div>
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<div th:replace="~{fragments/navbarEntry :: navbarEntry ('crop', 'images/crop.svg', 'home.crop.title', 'home.crop.desc', 'crop.tags')}"></div>
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<div th:replace="~{fragments/navbarEntry :: navbarEntry ('extract-page', 'images/extract.svg', 'home.extractPage.title', 'home.extractPage.desc', 'extractPage.tags')}"></div>
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<div th:replace="~{fragments/navbarEntry :: navbarEntry ('pdf-to-single-page', 'images/single-page.svg', 'home.PdfToSinglePage.title', 'home.PdfToSinglePage.desc', 'PdfToSinglePage.tags')}"></div>
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</div>
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@ -73,7 +75,7 @@
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<div th:replace="~{fragments/navbarEntry :: navbarEntry ('file-to-pdf', 'images/file.svg', 'home.fileToPDF.title', 'home.fileToPDF.desc', 'fileToPDF.tags')}"></div>
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<div th:replace="~{fragments/navbarEntry :: navbarEntry ('html-to-pdf', 'images/html.svg', 'home.HTMLToPDF.title', 'home.HTMLToPDF.desc', 'HTMLToPDF.tags')}"></div>
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<div th:replace="~{fragments/navbarEntry :: navbarEntry ('url-to-pdf', 'images/url.svg', 'home.URLToPDF.title', 'home.URLToPDF.desc', 'URLToPDF.tags')}"></div>
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<div th:replace="~{fragments/navbarEntry :: navbarEntry ('markdown-to-pdf', 'images/markdown.svg', 'home.MarkdownToPDF.title', 'home.MarkdownToPDF.desc', 'MarkdownToPDF.tags')}"></div>
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<hr class="dropdown-divider">
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<div th:replace="~{fragments/navbarEntry :: navbarEntry ('pdf-to-img', 'images/image.svg', 'home.pdfToImage.title', 'home.pdfToImage.desc', 'pdfToImage.tags')}"></div>
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<div th:replace="~{fragments/navbarEntry :: navbarEntry ('pdf-to-word', 'images/file-earmark-word.svg', 'home.PDFToWord.title', 'home.PDFToWord.desc', 'PDFToWord.tags')}"></div>
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@ -102,6 +104,7 @@
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<div th:replace="~{fragments/navbarEntry :: navbarEntry ('add-watermark', 'images/droplet.svg', 'home.watermark.title', 'home.watermark.desc', 'watermark.tags')}"></div>
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<div th:replace="~{fragments/navbarEntry :: navbarEntry ('cert-sign', 'images/award.svg', 'home.certSign.title', 'home.certSign.desc', 'certSign.tags')}"></div>
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<div th:replace="~{fragments/navbarEntry :: navbarEntry ('sanitize-pdf', 'images/sanitize.svg', 'home.sanitizePdf.title', 'home.sanitizePdf.desc', 'sanitizePdf.tags')}"></div>
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<div th:replace="~{fragments/navbarEntry :: navbarEntry ('get-info-on-pdf', 'images/info.svg', 'home.getPdfInfo.title', 'home.getPdfInfo.desc', 'getPdfInfo.tags')}"></div>
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</div>
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</li>
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@ -14,7 +14,6 @@
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<div class="col-md-6">
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<h2 th:text="#{pdfToSinglePage.header}"></h2>
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<form method="post" enctype="multipart/form-data" th:action="@{pdf-to-single-page}">
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<p th:text="#{pdfToSinglePage.formPrompt}"></p>
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<div th:replace="~{fragments/common :: fileSelector(name='fileInput', multiple=false)}"></div>
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<button type="submit" id="submitBtn" class="btn btn-primary" th:text="#{pdfToSinglePage.submit}"></button>
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</form>
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@ -1,35 +1,39 @@
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<!DOCTYPE html>
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<html th:lang="${#locale.toString()}" th:lang-direction="#{language.direction}" xmlns:th="http://www.thymeleaf.org">
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<th:block th:insert="~{fragments/common :: head(title=#{getPdfInfo.title})}"></th:block>
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<html th:lang="${#locale.toString()}"
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th:lang-direction="#{language.direction}"
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xmlns:th="http://www.thymeleaf.org">
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<th:block
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th:insert="~{fragments/common :: head(title=#{getPdfInfo.title})}"></th:block>
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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="#{getPdfInfo.header}"></h2>
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<p th:text="#{processTimeWarning}">
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<form id="pdfInfoForm" method="post" enctype="multipart/form-data" th:action="@{get-info-on-pdf}">
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<div th:replace="~{fragments/common :: fileSelector(name='fileInput', multiple=false, remoteCall='false')}"></div>
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<br>
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<button type="submit" id="submitBtn" class="btn btn-primary" th:text="#{getPdfInfo.submit}"></button>
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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="#{getPdfInfo.header}"></h2>
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<form id="pdfInfoForm" method="post" enctype="multipart/form-data"
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th:action="@{get-info-on-pdf}">
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<div
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th:replace="~{fragments/common :: fileSelector(name='fileInput', multiple=false, remoteCall='false')}"></div>
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<br>
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<button type="submit" id="submitBtn" class="btn btn-primary"
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th:text="#{getPdfInfo.submit}"></button>
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</form>
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<div class="container mt-5">
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<!-- Iterate over each main section in the JSON -->
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<div id="json-content">
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<!-- JavaScript will populate this section -->
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</div>
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<!-- Button to download the JSON -->
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<a href="#" id="downloadJson" class="btn btn-primary mt-3">Download JSON</a>
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</form>
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<div class="container mt-5">
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<!-- Iterate over each main section in the JSON -->
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<div id="json-content">
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<!-- JavaScript will populate this section -->
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</div>
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<!-- Button to download the JSON -->
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<a href="#" id="downloadJson" class="btn btn-primary mt-3"
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style="display: none;" th:text="#{getPdfInfo.downloadJson}">Download
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JSON</a>
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</div>
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<script>
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<script>
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// Prevent the form from submitting the traditional way
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@ -47,6 +51,7 @@
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.then(data => {
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displayJsonData(data); // Display the data
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setDownloadLink(data); // Set download link
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document.getElementById("downloadJson").style.display = "block";
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})
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.catch(error => console.error('Error:', error));
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});
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@ -67,8 +72,6 @@
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}
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function renderJsonSection(key, value, depth = 0) {
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// Replace spaces and other non-alphanumeric characters with underscores for valid IDs
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let safeKey = (typeof key === "string") ? key.replace(/[^a-zA-Z0-9]/g, '_') : key;
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@ -77,36 +80,51 @@
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<div class="card-header" id="${safeKey}-heading-${depth}">
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<h5 class="mb-0">`;
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// Check if the value is an object and has children
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if (value && typeof value === 'object' && (Object.keys(value).length || Array.isArray(value))) {
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output += `
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<button class="btn btn-link" type="button" data-toggle="collapse" data-target="#${safeKey}-content-${depth}" aria-expanded="true" aria-controls="${safeKey}-content-${depth}">
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${key}
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</button>`;
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} else {
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// Display both key and value for simple entries
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output += `${key}: ${value}`;
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}
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// Check if the value is an object and has children
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if (value && typeof value === 'object') {
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// For arrays and non-array objects
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if (Array.isArray(value) && value.length === 0) {
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output += `${key}: Empty array`;
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} else if (!Array.isArray(value) && Object.keys(value).length === 0) {
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output += `${key}: Empty object`;
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} else {
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output += `
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<button class="btn btn-link" type="button" data-toggle="collapse" data-target="#${safeKey}-content-${depth}" aria-expanded="true" aria-controls="${safeKey}-content-${depth}">
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${key}
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</button>`;
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}
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} else {
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// For simple key-value pairs
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output += `${key}: ${value}`;
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}
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output += `
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</h5>
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</div>
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<div id="${safeKey}-content-${depth}" class="collapse" aria-labelledby="${safeKey}-heading-${depth}">`;
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</h5>
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</div>
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<div id="${safeKey}-content-${depth}" class="collapse" aria-labelledby="${safeKey}-heading-${depth}">`;
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// Check if the value is a nested object
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if (typeof value === 'object' && !Array.isArray(value)) {
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if (value && typeof value === 'object' && !Array.isArray(value)) {
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output += '<div class="card-body">';
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for (const subKey in value) {
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output += renderJsonSection(subKey, value[subKey], depth + 1);
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if (Object.keys(value).length) {
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for (const subKey in value) {
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output += renderJsonSection(subKey, value[subKey], depth + 1);
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}
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} else {
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output += '<p class="text-muted">Empty object</p>';
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}
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output += '</div>';
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} else if (typeof value === 'object' && Array.isArray(value) && value.length) { // Array values
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} else if (value && typeof value === 'object' && Array.isArray(value)) {
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output += '<div class="card-body">';
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value.forEach((val, index) => {
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// For arrays, we're going to make the displayed key more descriptive.
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const arrayKey = `${key}[${index}]`;
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output += renderJsonSection(arrayKey, val, depth + 1);
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});
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if (value.length) {
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value.forEach((val, index) => {
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const arrayKey = `${key}[${index}]`;
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output += renderJsonSection(arrayKey, val, depth + 1);
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});
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} else {
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output += '<p class="text-muted">Empty array</p>';
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}
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output += '</div>';
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}
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@ -114,24 +132,13 @@
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return output;
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}
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</script>
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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>
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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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</div>
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||||
<div th:insert="~{fragments/footer.html :: footer}"></div>
|
||||
</div>
|
||||
</body>
|
||||
</html>
|
||||
Loading…
Reference in New Issue
Block a user