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show javascript, bug fixes

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This commit is contained in:
Anthony Stirling 2023-08-06 21:56:02 +01:00
parent 379791a326
commit 54f53be5b5
14 changed files with 386 additions and 58 deletions
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2
build.gradle
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@ -8,7 +8,7 @@ plugins {
}
group = 'stirling.software'
version = '0.12.0'
version = '0.12.1'
sourceCompatibility = '17'
repositories {

141
src/main/java/stirling/software/SPDF/controller/api/other/ShowJavascript.java Normal file
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@ -0,0 +1,141 @@
package stirling.software.SPDF.controller.api.other;
import java.io.IOException;
import java.util.Comparator;
import java.util.List;
import java.util.stream.Collectors;
import java.util.stream.Stream;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.http.HttpStatus;
import org.springframework.http.ResponseEntity;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.RequestPart;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.multipart.MultipartFile;
import io.swagger.v3.oas.annotations.Operation;
import io.swagger.v3.oas.annotations.Parameter;
import io.swagger.v3.oas.annotations.tags.Tag;
import stirling.software.SPDF.utils.GeneralUtils;
import stirling.software.SPDF.utils.PdfUtils;
import stirling.software.SPDF.utils.WebResponseUtils;
import org.apache.pdfbox.pdmodel.*;
import org.apache.pdfbox.pdmodel.common.*;
import org.apache.pdfbox.pdmodel.PDPageContentStream.*;
import org.springframework.web.bind.annotation.*;
import org.springframework.http.*;
import org.springframework.web.multipart.MultipartFile;
import io.swagger.v3.oas.annotations.*;
import io.swagger.v3.oas.annotations.media.*;
import io.swagger.v3.oas.annotations.parameters.*;
import org.apache.pdfbox.pdmodel.font.PDType1Font;
import org.apache.pdfbox.text.TextPosition;
import org.apache.tomcat.util.http.ResponseUtil;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.net.URLEncoder;
import java.nio.charset.StandardCharsets;
import java.util.List;
import java.util.ArrayList;
import org.springframework.http.ResponseEntity;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.multipart.MultipartFile;
import com.fasterxml.jackson.databind.node.ArrayNode;
import com.fasterxml.jackson.databind.node.ObjectNode;
import com.itextpdf.io.font.constants.StandardFonts;
import com.itextpdf.kernel.font.PdfFont;
import com.itextpdf.kernel.font.PdfFontFactory;
import com.itextpdf.kernel.geom.Rectangle;
import com.itextpdf.kernel.pdf.PdfReader;
import com.itextpdf.kernel.pdf.PdfStream;
import com.itextpdf.kernel.pdf.PdfWriter;
import com.itextpdf.kernel.pdf.PdfArray;
import com.itextpdf.kernel.pdf.PdfDictionary;
import com.itextpdf.kernel.pdf.PdfDocument;
import com.itextpdf.kernel.pdf.PdfName;
import com.itextpdf.kernel.pdf.PdfObject;
import com.itextpdf.kernel.pdf.PdfPage;
import com.itextpdf.kernel.pdf.canvas.PdfCanvas;
import com.itextpdf.layout.Canvas;
import com.itextpdf.layout.element.Paragraph;
import com.itextpdf.layout.properties.TextAlignment;
import io.swagger.v3.oas.annotations.Operation;
import io.swagger.v3.oas.annotations.media.Schema;
import java.io.*;
import org.apache.pdfbox.pdmodel.*;
import org.apache.pdfbox.text.*;
import org.springframework.web.bind.annotation.*;
import org.springframework.web.multipart.MultipartFile;
import io.swagger.v3.oas.annotations.*;
import io.swagger.v3.oas.annotations.media.Schema;
import org.springframework.http.ResponseEntity;
@RestController
@Tag(name = "Other", description = "Other APIs")
public class ShowJavascript {
private static final Logger logger = LoggerFactory.getLogger(ShowJavascript.class);
@PostMapping(consumes = "multipart/form-data", value = "/show-javascript")
@Operation(summary = "Extract header from PDF file", description = "This endpoint accepts a PDF file and attempts to extract its title or header based on heuristics. Input:PDF Output:PDF Type:SISO")
public ResponseEntity<byte[]> extractHeader(
@RequestPart(value = "fileInput") @Parameter(description = "The input PDF file from which the javascript is to be extracted.", required = true) MultipartFile inputFile)
throws Exception {
try (
PdfDocument itextDoc = new PdfDocument(new PdfReader(inputFile.getInputStream()))
) {
String name = "";
String script = "";
String entryName = "File: "+inputFile.getOriginalFilename() + ", Script: ";
//Javascript
PdfDictionary namesDict = itextDoc.getCatalog().getPdfObject().getAsDictionary(PdfName.Names);
if (namesDict != null) {
PdfDictionary javascriptDict = namesDict.getAsDictionary(PdfName.JavaScript);
if (javascriptDict != null) {
PdfArray namesArray = javascriptDict.getAsArray(PdfName.Names);
for (int i = 0; i < namesArray.size(); i += 2) {
if(namesArray.getAsString(i) != null)
name = namesArray.getAsString(i).toString();
PdfObject jsCode = namesArray.get(i+1);
if (jsCode instanceof PdfStream) {
byte[] jsCodeBytes = ((PdfStream)jsCode).getBytes();
String jsCodeStr = new String(jsCodeBytes, StandardCharsets.UTF_8);
script = "//" + entryName + name + "\n" +jsCodeStr;
} else if (jsCode instanceof PdfDictionary) {
// If the JS code is in a dictionary, you'll need to know the key to use.
// Assuming the key is PdfName.JS:
PdfStream jsCodeStream = ((PdfDictionary)jsCode).getAsStream(PdfName.JS);
if (jsCodeStream != null) {
byte[] jsCodeBytes = jsCodeStream.getBytes();
String jsCodeStr = new String(jsCodeBytes, StandardCharsets.UTF_8);
script = "//" + entryName + name + "\n" +jsCodeStr;
}
}
}
}
}
if(script.equals("")) {
script = "PDF '" +inputFile.getOriginalFilename() + "' does not contain Javascript";
}
return WebResponseUtils.bytesToWebResponse(script.getBytes(), name + ".js");
}
}
}

34
src/main/java/stirling/software/SPDF/controller/api/security/GetInfoOnPDF.java
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@ -43,6 +43,7 @@ import com.itextpdf.kernel.pdf.layer.PdfOCProperties;
import com.itextpdf.kernel.xmp.XMPException;
import com.itextpdf.kernel.xmp.XMPMeta;
import com.itextpdf.kernel.xmp.XMPMetaFactory;
import com.itextpdf.kernel.xmp.options.SerializeOptions;
import io.swagger.v3.oas.annotations.Operation;
import io.swagger.v3.oas.annotations.Parameter;
@ -193,12 +194,14 @@ public class GetInfoOnPDF {
if (embeddedFiles != null) {
PdfArray namesArray = embeddedFiles.getAsArray(PdfName.Names);
if(namesArray != null) {
for (int i = 0; i < namesArray.size(); i += 2) {
ObjectNode embeddedFileNode = objectMapper.createObjectNode();
embeddedFileNode.put("Name", namesArray.getAsString(i).toString());
// Add other details if required
embeddedFilesArray.add(embeddedFileNode);
}
}
}
}
@ -228,8 +231,26 @@ public class GetInfoOnPDF {
PdfArray namesArray = javascriptDict.getAsArray(PdfName.Names);
for (int i = 0; i < namesArray.size(); i += 2) {
ObjectNode jsNode = objectMapper.createObjectNode();
if(namesArray.getAsString(i) != null)
jsNode.put("JS Name", namesArray.getAsString(i).toString());
jsNode.put("JS Code", namesArray.getAsString(i + 1).toString());
// Here we check for a PdfStream object and retrieve the JS code from it
PdfObject jsCode = namesArray.get(i+1);
if (jsCode instanceof PdfStream) {
byte[] jsCodeBytes = ((PdfStream)jsCode).getBytes();
String jsCodeStr = new String(jsCodeBytes, StandardCharsets.UTF_8);
jsNode.put("JS Script Length", jsCodeStr.length());
} else if (jsCode instanceof PdfDictionary) {
// If the JS code is in a dictionary, you'll need to know the key to use.
// Assuming the key is PdfName.JS:
PdfStream jsCodeStream = ((PdfDictionary)jsCode).getAsStream(PdfName.JS);
if (jsCodeStream != null) {
byte[] jsCodeBytes = jsCodeStream.getBytes();
String jsCodeStr = new String(jsCodeBytes, StandardCharsets.UTF_8);
jsNode.put("JS Script Character Length", jsCodeStr.length());
}
}
javascriptArray.add(jsNode);
}
@ -305,17 +326,16 @@ public class GetInfoOnPDF {
}
other.set("Bookmarks/Outline/TOC", bookmarksArray);
String xmpString = null;
try {
byte[] xmpBytes = itextDoc.getXmpMetadata();
String xmpString = null;
if (xmpBytes != null) {
try {
XMPMeta xmpMeta = XMPMetaFactory.parseFromBuffer(xmpBytes);
xmpString = xmpMeta.dumpObject();
}
xmpString = new String(XMPMetaFactory.serializeToBuffer(xmpMeta, new SerializeOptions()));
} catch (XMPException e) {
e.printStackTrace();
}
}
other.put("XMPMetadata", xmpString);
@ -416,10 +436,12 @@ public class GetInfoOnPDF {
for (PdfAnnotation annotation : annotations) {
if (annotation instanceof PdfLinkAnnotation) {
PdfLinkAnnotation linkAnnotation = (PdfLinkAnnotation) annotation;
if(linkAnnotation != null && linkAnnotation.getAction() != null) {
String uri = linkAnnotation.getAction().toString();
uniqueURIs.add(uri); // Add to set to ensure uniqueness
}
}
}
// Add unique URIs to linksArray
for (String uri : uniqueURIs) {

40
src/main/java/stirling/software/SPDF/controller/api/security/SanitizeController.java
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@ -1,6 +1,7 @@
package stirling.software.SPDF.controller.api.security;
import org.apache.pdfbox.cos.COSName;
import org.apache.pdfbox.pdmodel.PDDocument;
import org.apache.pdfbox.pdmodel.PDDocumentCatalog;
import org.apache.pdfbox.pdmodel.PDPage;
import org.apache.pdfbox.pdmodel.PDResources;
import org.apache.pdfbox.pdmodel.PDPageTree;
@ -21,7 +22,9 @@ import io.swagger.v3.oas.annotations.Operation;
import io.swagger.v3.oas.annotations.Parameter;
import io.swagger.v3.oas.annotations.media.Schema;
import stirling.software.SPDF.utils.WebResponseUtils;
import org.apache.pdfbox.cos.COSDictionary;
import org.apache.pdfbox.cos.COSName;
import org.apache.pdfbox.cos.COSString;
import java.io.IOException;
import java.io.InputStream;
@ -76,6 +79,22 @@ public class SanitizeController {
}
}
private void sanitizeJavaScript(PDDocument document) throws IOException {
// Get the root dictionary (catalog) of the PDF
PDDocumentCatalog catalog = document.getDocumentCatalog();
// Get the Names dictionary
COSDictionary namesDict = (COSDictionary) catalog.getCOSObject().getDictionaryObject(COSName.NAMES);
if (namesDict != null) {
// Get the JavaScript dictionary
COSDictionary javaScriptDict = (COSDictionary) namesDict.getDictionaryObject(COSName.getPDFName("JavaScript"));
if (javaScriptDict != null) {
// Remove the JavaScript dictionary
namesDict.removeItem(COSName.getPDFName("JavaScript"));
}
}
for (PDPage page : document.getPages()) {
for (PDAnnotation annotation : page.getAnnotations()) {
if (annotation instanceof PDAnnotationWidget) {
@ -89,13 +108,28 @@ public class SanitizeController {
PDAcroForm acroForm = document.getDocumentCatalog().getAcroForm();
if (acroForm != null) {
for (PDField field : acroForm.getFields()) {
if (field.getActions().getF() instanceof PDActionJavaScript) {
field.getActions().setF(null);
PDFormFieldAdditionalActions actions = field.getActions();
if(actions != null) {
if (actions.getC() instanceof PDActionJavaScript) {
actions.setC(null);
}
if (actions.getF() instanceof PDActionJavaScript) {
actions.setF(null);
}
if (actions.getK() instanceof PDActionJavaScript) {
actions.setK(null);
}
if (actions.getV() instanceof PDActionJavaScript) {
actions.setV(null);
}
}
}
}
}
}
private void sanitizeEmbeddedFiles(PDDocument document) {
PDPageTree allPages = document.getPages();

8
src/main/java/stirling/software/SPDF/controller/web/OtherWebController.java
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@ -32,6 +32,14 @@ public class OtherWebController {
return modelAndView;
}
@GetMapping("/show-javascript")
@Hidden
public String extractJavascriptForm(Model model) {
model.addAttribute("currentPage", "show-javascript");
return "other/show-javascript";
}
@GetMapping("/add-page-numbers")
@Hidden
public String addPageNumbersForm(Model model) {

11
src/main/resources/messages_en_GB.properties
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@ -255,12 +255,21 @@ home.PdfToSinglePage.title=PDF to Single Large Page
home.PdfToSinglePage.desc=Merges all PDF pages into one large single page
PdfToSinglePage.tags=single page
home.showJS.title=Show Javascript
home.showJS.desc=Searches and displays any JS injected into a PDF
showJS.tags=JS
###########################
# #
# WEB PAGES #
# #
###########################
#showJS
showJS.title=Show Javascript
showJS.header=Show Javascript
showJS.downloadJS=Download Javascript
showJS.submit=Show
#pdfToSinglePage

3
src/main/resources/static/css/prism.css Normal file
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@ -0,0 +1,3 @@
/* PrismJS 1.29.0
https://prismjs.com/download.html#themes=prism-coy&languages=clike+javascript */
code[class*=language-],pre[class*=language-]{color:#000;background:0 0;font-family:Consolas,Monaco,'Andale Mono','Ubuntu Mono',monospace;font-size:1em;text-align:left;white-space:pre;word-spacing:normal;word-break:normal;word-wrap:normal;line-height:1.5;-moz-tab-size:4;-o-tab-size:4;tab-size:4;-webkit-hyphens:none;-moz-hyphens:none;-ms-hyphens:none;hyphens:none}pre[class*=language-]{position:relative;margin:.5em 0;overflow:visible;padding:1px}pre[class*=language-]>code{position:relative;z-index:1;border-left:10px solid #358ccb;box-shadow:-1px 0 0 0 #358ccb,0 0 0 1px #dfdfdf;background-color:#fdfdfd;background-image:linear-gradient(transparent 50%,rgba(69,142,209,.04) 50%);background-size:3em 3em;background-origin:content-box;background-attachment:local}code[class*=language-]{max-height:inherit;height:inherit;padding:0 1em;display:block;overflow:auto}:not(pre)>code[class*=language-],pre[class*=language-]{background-color:#fdfdfd;-webkit-box-sizing:border-box;-moz-box-sizing:border-box;box-sizing:border-box;margin-bottom:1em}:not(pre)>code[class*=language-]{position:relative;padding:.2em;border-radius:.3em;color:#c92c2c;border:1px solid rgba(0,0,0,.1);display:inline;white-space:normal}pre[class*=language-]:after,pre[class*=language-]:before{content:'';display:block;position:absolute;bottom:.75em;left:.18em;width:40%;height:20%;max-height:13em;box-shadow:0 13px 8px #979797;-webkit-transform:rotate(-2deg);-moz-transform:rotate(-2deg);-ms-transform:rotate(-2deg);-o-transform:rotate(-2deg);transform:rotate(-2deg)}pre[class*=language-]:after{right:.75em;left:auto;-webkit-transform:rotate(2deg);-moz-transform:rotate(2deg);-ms-transform:rotate(2deg);-o-transform:rotate(2deg);transform:rotate(2deg)}.token.block-comment,.token.cdata,.token.comment,.token.doctype,.token.prolog{color:#7d8b99}.token.punctuation{color:#5f6364}.token.boolean,.token.constant,.token.deleted,.token.function-name,.token.number,.token.property,.token.symbol,.token.tag{color:#c92c2c}.token.attr-name,.token.builtin,.token.char,.token.function,.token.inserted,.token.selector,.token.string{color:#2f9c0a}.token.entity,.token.operator,.token.url,.token.variable{color:#a67f59;background:rgba(255,255,255,.5)}.token.atrule,.token.attr-value,.token.class-name,.token.keyword{color:#1990b8}.token.important,.token.regex{color:#e90}.language-css .token.string,.style .token.string{color:#a67f59;background:rgba(255,255,255,.5)}.token.important{font-weight:400}.token.bold{font-weight:700}.token.italic{font-style:italic}.token.entity{cursor:help}.token.namespace{opacity:.7}@media screen and (max-width:767px){pre[class*=language-]:after,pre[class*=language-]:before{bottom:14px;box-shadow:none}}pre[class*=language-].line-numbers.line-numbers{padding-left:0}pre[class*=language-].line-numbers.line-numbers code{padding-left:3.8em}pre[class*=language-].line-numbers.line-numbers .line-numbers-rows{left:0}pre[class*=language-][data-line]{padding-top:0;padding-bottom:0;padding-left:0}pre[data-line] code{position:relative;padding-left:4em}pre .line-highlight{margin-top:0}

3
src/main/resources/static/images/js.svg Normal file
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@ -0,0 +1,3 @@
<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-filetype-js" viewBox="0 0 16 16">
<path fill-rule="evenodd" d="M14 4.5V14a2 2 0 0 1-2 2H8v-1h4a1 1 0 0 0 1-1V4.5h-2A1.5 1.5 0 0 1 9.5 3V1H4a1 1 0 0 0-1 1v9H2V2a2 2 0 0 1 2-2h5.5L14 4.5ZM3.186 15.29a1.176 1.176 0 0 1-.111-.449h.765a.578.578 0 0 0 .255.384c.07.049.153.087.249.114.095.028.202.041.319.041.164 0 .302-.023.413-.07a.559.559 0 0 0 .255-.193.507.507 0 0 0 .085-.29.387.387 0 0 0-.153-.326c-.101-.08-.255-.144-.462-.193l-.619-.143a1.72 1.72 0 0 1-.539-.214 1.001 1.001 0 0 1-.351-.367 1.068 1.068 0 0 1-.123-.524c0-.244.063-.457.19-.639.127-.181.303-.322.528-.422.224-.1.483-.149.776-.149.305 0 .564.05.78.152.216.102.383.239.5.41.12.17.186.359.2.566h-.75a.56.56 0 0 0-.12-.258.624.624 0 0 0-.247-.181.923.923 0 0 0-.369-.068c-.217 0-.388.05-.513.152a.472.472 0 0 0-.184.384c0 .121.048.22.143.3a.97.97 0 0 0 .405.175l.62.143c.218.05.406.12.566.211.16.09.285.21.375.358.09.148.135.335.135.56 0 .247-.063.466-.188.656a1.216 1.216 0 0 1-.539.439c-.234.105-.52.158-.858.158-.254 0-.476-.03-.665-.09a1.404 1.404 0 0 1-.478-.252 1.13 1.13 0 0 1-.29-.375Zm-3.104-.033A1.32 1.32 0 0 1 0 14.791h.765a.576.576 0 0 0 .073.27.499.499 0 0 0 .454.246c.19 0 .33-.055.422-.164.092-.11.138-.265.138-.466v-2.745h.79v2.725c0 .44-.119.774-.357 1.005-.236.23-.564.345-.984.345a1.59 1.59 0 0 1-.569-.094 1.145 1.145 0 0 1-.407-.266 1.14 1.14 0 0 1-.243-.39Z"/>
</svg>
Side by side

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Width:  |  Height:  |  Size: 1.4 KiB

7
src/main/resources/static/js/fileInput.js
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@ -80,10 +80,14 @@ function setupFileInput(chooser) {
document.body.addEventListener('dragleave', dragleaveListener);
document.body.addEventListener('drop', dropListener);
$("#" + elementId).on("change", function() {
console.log("Element Id: ", elementId);
$("#" + elementId).on("change", function(e) {
allFiles = Array.from(e.target.files);
handleFileInputChange(this);
});
function handleFileInputChange(inputElement) {
const files = allFiles;
const fileNames = files.map(f => f.name);
@ -92,6 +96,7 @@ function setupFileInput(chooser) {
fileNames.forEach(fileName => {
selectedFilesContainer.append("<div>" + fileName + "</div>");
});
if (fileNames.length === 1) {
$(inputElement).siblings(".custom-file-label").addClass("selected").html(fileNames[0]);
} else if (fileNames.length > 1) {

5
src/main/resources/static/js/thirdParty/prism.js vendored Normal file
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File diff suppressed because one or more lines are too long

3
src/main/resources/templates/fragments/navbar.html
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@ -109,7 +109,7 @@
</li>
<li class="nav-item nav-item-separator"></li>
<li class="nav-item dropdown" th:classappend="${currentPage}=='sign' OR ${currentPage}=='repair' OR ${currentPage}=='compare' OR ${currentPage}=='flatten' OR ${currentPage}=='remove-blanks' OR ${currentPage}=='extract-image-scans' OR ${currentPage}=='change-metadata' OR ${currentPage}=='add-image' OR ${currentPage}=='ocr-pdf' OR ${currentPage}=='change-permissions' OR ${currentPage}=='extract-images' OR ${currentPage}=='compress-pdf' OR ${currentPage}=='add-page-numbers' OR ${currentPage}=='auto-rename' OR ${currentPage}=='get-info-on-pdf' ? 'active' : ''">
<li class="nav-item dropdown" th:classappend="${currentPage}=='sign' OR ${currentPage}=='repair' OR ${currentPage}=='compare' OR ${currentPage}=='show-javascript' OR ${currentPage}=='flatten' OR ${currentPage}=='remove-blanks' OR ${currentPage}=='extract-image-scans' OR ${currentPage}=='change-metadata' OR ${currentPage}=='add-image' OR ${currentPage}=='ocr-pdf' OR ${currentPage}=='change-permissions' OR ${currentPage}=='extract-images' OR ${currentPage}=='compress-pdf' OR ${currentPage}=='add-page-numbers' OR ${currentPage}=='auto-rename' OR ${currentPage}=='get-info-on-pdf' ? 'active' : ''">
<a class="nav-link dropdown-toggle" href="#" id="navbarDropdown" role="button" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false">
<img class="icon" src="images/card-list.svg" alt="icon" style="width: 16px; height: 16px; vertical-align: middle;">
<span class="icon-text" th:text="#{navbar.other}"></span>
@ -131,6 +131,7 @@
<div th:replace="~{fragments/navbarEntry :: navbarEntry ('add-page-numbers', 'images/add-page-numbers.svg', 'home.add-page-numbers.title', 'home.add-page-numbers.desc', 'add-page-numbers.tags')}"></div>
<div th:replace="~{fragments/navbarEntry :: navbarEntry ('auto-rename', 'images/fonts.svg', 'home.auto-rename.title', 'home.auto-rename.desc', 'auto-rename.tags')}"></div>
<div th:replace="~{fragments/navbarEntry :: navbarEntry ('get-info-on-pdf', 'images/info.svg', 'home.getPdfInfo.title', 'home.getPdfInfo.desc', 'getPdfInfo.tags')}"></div>
<div th:replace="~{fragments/navbarEntry :: navbarEntry ('show-javascript', 'images/js.svg', 'home.showJS.title', 'home.showJS.desc', 'showJS.tags')}"></div>
</div>
</li>

1
src/main/resources/templates/home.html
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@ -88,6 +88,7 @@
<div th:replace="~{fragments/card :: card(id='get-info-on-pdf', cardTitle=#{home.getPdfInfo.title}, cardText=#{home.getPdfInfo.desc}, cardLink='get-info-on-pdf', svgPath='images/info.svg')}"></div>
<div th:replace="~{fragments/card :: card(id='extract-page', cardTitle=#{home.extractPage.title}, cardText=#{home.extractPage.desc}, cardLink='extract-page', svgPath='images/extract.svg')}"></div>
<div th:replace="~{fragments/card :: card(id='pdf-to-single-page', cardTitle=#{home.PdfToSinglePage.title}, cardText=#{home.PdfToSinglePage.desc}, cardLink='pdf-to-single-page', svgPath='images/single-page.svg')}"></div>
<div th:replace="~{fragments/card :: card(id='show-javascript', cardTitle=#{home.showJS.title}, cardText=#{home.showJS.desc}, cardLink='show-javascript', svgPath='images/js.svg')}"></div>

89
src/main/resources/templates/other/show-javascript.html Normal file
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@ -0,0 +1,89 @@
<!DOCTYPE html>
<html th:lang="${#locale.toString()}"
th:lang-direction="#{language.direction}"
xmlns:th="http://www.thymeleaf.org">
<th:block
th:insert="~{fragments/common :: head(title=#{showJS.title})}"></th:block>
<body>
<link href="css/prism.css" rel="stylesheet" />
<script src="js/thirdParty/prism.js"></script>
<div id="page-container">
<div id="content-wrap">
<div th:insert="~{fragments/navbar.html :: navbar}"></div>
<br> <br>
<div class="container">
<div class="row justify-content-center">
<div class="col-md-12">
<h2 th:text="#{showJS.header}"></h2>
<form id="pdfInfoForm" method="post" enctype="multipart/form-data"
th:action="@{show-javascript}">
<div
th:replace="~{fragments/common :: fileSelector(name='fileInput', multiple=false, remoteCall='false')}"></div>
<br>
<button type="submit" id="submitBtn" class="btn btn-primary"
th:text="#{showJS.submit}"></button>
</form>
<div class="container mt-5">
<!-- Iterate over each main section in the JSON -->
<div id="script-content">
<!-- JavaScript will populate this section -->
</div>
<!-- Button to download the JSON -->
<a href="#" id="downloadJS" class="btn btn-primary mt-3"
style="display: none;" th:text="#{showJS.downloadJS}">Download
JSON</a>
</div>
<style>
/* Add a max-height and make it scrollable */
#script-content {
max-height: 1000px; /* Adjust this to your preferred maximum height */
overflow-y: auto;
}
</style>
<script>
document.querySelector('#pdfInfoForm').addEventListener('submit', function(event){
event.preventDefault();
// Fetch the formData
const formData = new FormData(event.target);
fetch('show-javascript', {
method: 'POST',
body: formData
}).then(response => response.text())
.then(data => {
// Escape < and > characters
let escapedData = data.replace(/</g, '&lt;').replace(/>/g, '&gt;');
// Wrap the JavaScript content in a pre and code tag and add it to the div
document.querySelector('#script-content').innerHTML = '<pre><code class="language-javascript">' + escapedData + '</code></pre>';
// Highlight the code using Prism.js
Prism.highlightAll();
// Create a blob object from the data and create a URL for it
let blob = new Blob([data], {type: 'application/javascript'});
let url = URL.createObjectURL(blob);
// Set the URL as the href of the download button and provide a download name
let downloadButton = document.querySelector('#downloadJS');
downloadButton.href = url;
downloadButton.download = 'extracted.js';
downloadButton.style.display = 'block';
})
.catch(error => {
console.error('Error:', error);
});
});
</script>
</div>
</div>
</div>
</div>
<div th:insert="~{fragments/footer.html :: footer}"></div>
</div>
</body>
</html>

31
src/main/resources/templates/security/get-info-on-pdf.html
View file

@ -73,46 +73,45 @@
function renderJsonSection(key, value, depth = 0) {
// Replace spaces and other non-alphanumeric characters with underscores for valid IDs
let safeKey = (typeof key === "string") ? key.replace(/[^a-zA-Z0-9]/g, '_') : key;
let output = `<div class="card mb-3">
<div class="card-header" id="${safeKey}-heading-${depth}">
<h5 class="mb-0">`;
// Check if the value is an object and has children
if (value && typeof value === 'object') {
// For arrays and non-array objects
if (key === 'XMPMetadata' && typeof value === "string") {
output += `<button class="btn btn-link" type="button" data-toggle="collapse" data-target="#${safeKey}-content-${depth}" aria-expanded="true" aria-controls="${safeKey}-content-${depth}">
${key}
</button>`;
} else if (value && typeof value === 'object') {
if (Array.isArray(value) && value.length === 0) {
output += `${key}: Empty array`;
} else if (!Array.isArray(value) && Object.keys(value).length === 0) {
output += `${key}: Empty object`;
} else {
output += `
<button class="btn btn-link" type="button" data-toggle="collapse" data-target="#${safeKey}-content-${depth}" aria-expanded="true" aria-controls="${safeKey}-content-${depth}">
output += `<button class="btn btn-link" type="button" data-toggle="collapse" data-target="#${safeKey}-content-${depth}" aria-expanded="true" aria-controls="${safeKey}-content-${depth}">
${key}
</button>`;
}
} else {
// For simple key-value pairs
output += `${key}: ${value}`;
}
output += `
</h5>
</div>
<div id="${safeKey}-content-${depth}" class="collapse" aria-labelledby="${safeKey}-heading-${depth}">`;
// Check if the value is a nested object
if (value && typeof value === 'object' && !Array.isArray(value)) {
if (key === 'XMPMetadata' && typeof value === "string") {
output += `<div class="card-body"><pre>${escapeHTML(value)}</pre></div>`;
} else if (value && typeof value === 'object' && !Array.isArray(value)) {
output += '<div class="card-body">';
if (Object.keys(value).length) {
for (const subKey in value) {
output += renderJsonSection(subKey, value[subKey], depth + 1);
}
} else {
output += '<p class="text-muted">Empty object</p>';
output += '<p class="text-muted">Empty</p>';
}
output += '</div>';
} else if (value && typeof value === 'object' && Array.isArray(value)) {
@ -123,7 +122,7 @@
output += renderJsonSection(arrayKey, val, depth + 1);
});
} else {
output += '<p class="text-muted">Empty array</p>';
output += '<p class="text-muted">Empty</p>';
}
output += '</div>';
}
@ -132,6 +131,14 @@
return output;
}
function escapeHTML(s) {
if(s)
return s.replace(/&/g, '&amp;').replace(/</g, '&lt;').replace(/>/g, '&gt;');
return null;
}
</script>
</div>
</div>