mirror of
https://github.com/arsvendg/Stirling-PDF.git
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formattingand autowired constructors (#2557)
# Description This pull request includes several changes aimed at improving the code structure and removing redundant code. The most significant changes involve reordering methods, removing unnecessary annotations, and refactoring constructors to use dependency injection. Autowired now comes via constructor (which also doesn't need autowired annotation as its done by default for configuration) ## Checklist - [ ] I have read the [Contribution Guidelines](https://github.com/Stirling-Tools/Stirling-PDF/blob/main/CONTRIBUTING.md) - [ ] I have performed a self-review of my own code - [ ] I have attached images of the change if it is UI based - [ ] I have commented my code, particularly in hard-to-understand areas - [ ] If my code has heavily changed functionality I have updated relevant docs on [Stirling-PDFs doc repo](https://github.com/Stirling-Tools/Stirling-Tools.github.io/blob/main/docs/) - [ ] My changes generate no new warnings - [ ] I have read the section [Add New Translation Tags](https://github.com/Stirling-Tools/Stirling-PDF/blob/main/HowToAddNewLanguage.md#add-new-translation-tags) (for new translation tags only)
This commit is contained in:
Anthony Stirling
+148
-159
@@ -1,20 +1,9 @@
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package stirling.software.SPDF.controller.api.security;
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import java.awt.Color;
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import java.io.ByteArrayInputStream;
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import java.io.ByteArrayOutputStream;
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import java.io.File;
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import java.io.IOException;
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import java.io.InputStream;
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import java.io.InputStreamReader;
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import java.io.OutputStream;
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import java.awt.*;
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import java.io.*;
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import java.nio.file.Files;
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import java.security.KeyStore;
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import java.security.KeyStoreException;
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import java.security.NoSuchAlgorithmException;
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import java.security.PrivateKey;
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import java.security.Security;
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import java.security.UnrecoverableKeyException;
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import java.security.*;
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import java.security.cert.Certificate;
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import java.security.cert.CertificateException;
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import java.security.cert.CertificateFactory;
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@@ -91,6 +80,151 @@ public class CertSignController {
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Security.addProvider(new BouncyCastleProvider());
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}
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private final CustomPDDocumentFactory pdfDocumentFactory;
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@Autowired
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public CertSignController(CustomPDDocumentFactory pdfDocumentFactory) {
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this.pdfDocumentFactory = pdfDocumentFactory;
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}
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private static void sign(
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CustomPDDocumentFactory pdfDocumentFactory,
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byte[] input,
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OutputStream output,
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CreateSignature instance,
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Boolean showSignature,
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Integer pageNumber,
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String name,
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String location,
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String reason,
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Boolean showLogo) {
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try (PDDocument doc = pdfDocumentFactory.load(input)) {
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PDSignature signature = new PDSignature();
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signature.setFilter(PDSignature.FILTER_ADOBE_PPKLITE);
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signature.setSubFilter(PDSignature.SUBFILTER_ADBE_PKCS7_DETACHED);
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signature.setName(name);
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signature.setLocation(location);
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signature.setReason(reason);
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signature.setSignDate(Calendar.getInstance());
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if (showSignature) {
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SignatureOptions signatureOptions = new SignatureOptions();
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signatureOptions.setVisualSignature(
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instance.createVisibleSignature(doc, signature, pageNumber, showLogo));
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signatureOptions.setPage(pageNumber);
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doc.addSignature(signature, instance, signatureOptions);
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} else {
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doc.addSignature(signature, instance);
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}
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doc.saveIncremental(output);
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} catch (Exception e) {
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log.error("exception", e);
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}
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}
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@PostMapping(consumes = "multipart/form-data", value = "/cert-sign")
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@Operation(
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summary = "Sign PDF with a Digital Certificate",
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description =
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"This endpoint accepts a PDF file, a digital certificate and related information to sign"
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+ " the PDF. It then returns the digitally signed PDF file. Input:PDF Output:PDF"
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+ " Type:SISO")
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public ResponseEntity<byte[]> signPDFWithCert(@ModelAttribute SignPDFWithCertRequest request)
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throws Exception {
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MultipartFile pdf = request.getFileInput();
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String certType = request.getCertType();
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MultipartFile privateKeyFile = request.getPrivateKeyFile();
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MultipartFile certFile = request.getCertFile();
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MultipartFile p12File = request.getP12File();
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MultipartFile jksfile = request.getJksFile();
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String password = request.getPassword();
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Boolean showSignature = request.isShowSignature();
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String reason = request.getReason();
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String location = request.getLocation();
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String name = request.getName();
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Integer pageNumber = request.getPageNumber() - 1;
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Boolean showLogo = request.isShowLogo();
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if (certType == null) {
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throw new IllegalArgumentException("Cert type must be provided");
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}
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KeyStore ks = null;
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switch (certType) {
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case "PEM":
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ks = KeyStore.getInstance("JKS");
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ks.load(null);
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PrivateKey privateKey = getPrivateKeyFromPEM(privateKeyFile.getBytes(), password);
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Certificate cert = (Certificate) getCertificateFromPEM(certFile.getBytes());
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ks.setKeyEntry(
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"alias", privateKey, password.toCharArray(), new Certificate[] {cert});
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break;
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case "PKCS12":
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ks = KeyStore.getInstance("PKCS12");
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ks.load(p12File.getInputStream(), password.toCharArray());
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break;
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case "JKS":
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ks = KeyStore.getInstance("JKS");
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ks.load(jksfile.getInputStream(), password.toCharArray());
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break;
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default:
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throw new IllegalArgumentException("Invalid cert type: " + certType);
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}
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CreateSignature createSignature = new CreateSignature(ks, password.toCharArray());
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ByteArrayOutputStream baos = new ByteArrayOutputStream();
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sign(
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pdfDocumentFactory,
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pdf.getBytes(),
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baos,
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createSignature,
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showSignature,
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pageNumber,
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name,
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location,
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reason,
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showLogo);
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return WebResponseUtils.boasToWebResponse(
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baos,
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Filenames.toSimpleFileName(pdf.getOriginalFilename()).replaceFirst("[.][^.]+$", "")
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+ "_signed.pdf");
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}
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private PrivateKey getPrivateKeyFromPEM(byte[] pemBytes, String password)
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throws IOException, OperatorCreationException, PKCSException {
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try (PEMParser pemParser =
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new PEMParser(new InputStreamReader(new ByteArrayInputStream(pemBytes)))) {
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Object pemObject = pemParser.readObject();
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JcaPEMKeyConverter converter = new JcaPEMKeyConverter().setProvider("BC");
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PrivateKeyInfo pkInfo;
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if (pemObject instanceof PKCS8EncryptedPrivateKeyInfo) {
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InputDecryptorProvider decProv =
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new JceOpenSSLPKCS8DecryptorProviderBuilder().build(password.toCharArray());
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pkInfo = ((PKCS8EncryptedPrivateKeyInfo) pemObject).decryptPrivateKeyInfo(decProv);
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} else if (pemObject instanceof PEMEncryptedKeyPair) {
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PEMDecryptorProvider decProv =
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new JcePEMDecryptorProviderBuilder().build(password.toCharArray());
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pkInfo =
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((PEMEncryptedKeyPair) pemObject)
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.decryptKeyPair(decProv)
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.getPrivateKeyInfo();
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} else {
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pkInfo = ((PEMKeyPair) pemObject).getPrivateKeyInfo();
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}
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return converter.getPrivateKey(pkInfo);
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}
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}
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private Certificate getCertificateFromPEM(byte[] pemBytes)
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throws IOException, CertificateException {
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try (ByteArrayInputStream bis = new ByteArrayInputStream(pemBytes)) {
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return CertificateFactory.getInstance("X.509").generateCertificate(bis);
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}
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}
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class CreateSignature extends CreateSignatureBase {
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File logoFile;
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@@ -198,149 +332,4 @@ public class CertSignController {
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}
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}
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}
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private final CustomPDDocumentFactory pdfDocumentFactory;
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@Autowired
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public CertSignController(CustomPDDocumentFactory pdfDocumentFactory) {
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this.pdfDocumentFactory = pdfDocumentFactory;
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}
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@PostMapping(consumes = "multipart/form-data", value = "/cert-sign")
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@Operation(
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summary = "Sign PDF with a Digital Certificate",
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description =
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"This endpoint accepts a PDF file, a digital certificate and related information to sign"
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+ " the PDF. It then returns the digitally signed PDF file. Input:PDF Output:PDF"
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+ " Type:SISO")
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public ResponseEntity<byte[]> signPDFWithCert(@ModelAttribute SignPDFWithCertRequest request)
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throws Exception {
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MultipartFile pdf = request.getFileInput();
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String certType = request.getCertType();
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MultipartFile privateKeyFile = request.getPrivateKeyFile();
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MultipartFile certFile = request.getCertFile();
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MultipartFile p12File = request.getP12File();
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MultipartFile jksfile = request.getJksFile();
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String password = request.getPassword();
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Boolean showSignature = request.isShowSignature();
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String reason = request.getReason();
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String location = request.getLocation();
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String name = request.getName();
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Integer pageNumber = request.getPageNumber() - 1;
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Boolean showLogo = request.isShowLogo();
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if (certType == null) {
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throw new IllegalArgumentException("Cert type must be provided");
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}
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KeyStore ks = null;
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switch (certType) {
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case "PEM":
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ks = KeyStore.getInstance("JKS");
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ks.load(null);
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PrivateKey privateKey = getPrivateKeyFromPEM(privateKeyFile.getBytes(), password);
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Certificate cert = (Certificate) getCertificateFromPEM(certFile.getBytes());
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ks.setKeyEntry(
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"alias", privateKey, password.toCharArray(), new Certificate[] {cert});
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break;
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case "PKCS12":
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ks = KeyStore.getInstance("PKCS12");
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ks.load(p12File.getInputStream(), password.toCharArray());
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break;
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case "JKS":
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ks = KeyStore.getInstance("JKS");
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ks.load(jksfile.getInputStream(), password.toCharArray());
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break;
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default:
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throw new IllegalArgumentException("Invalid cert type: " + certType);
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}
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CreateSignature createSignature = new CreateSignature(ks, password.toCharArray());
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ByteArrayOutputStream baos = new ByteArrayOutputStream();
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sign(
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pdfDocumentFactory,
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pdf.getBytes(),
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baos,
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createSignature,
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showSignature,
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pageNumber,
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name,
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location,
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reason,
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showLogo);
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return WebResponseUtils.boasToWebResponse(
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baos,
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Filenames.toSimpleFileName(pdf.getOriginalFilename()).replaceFirst("[.][^.]+$", "")
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+ "_signed.pdf");
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}
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private static void sign(
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CustomPDDocumentFactory pdfDocumentFactory,
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byte[] input,
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OutputStream output,
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CreateSignature instance,
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Boolean showSignature,
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Integer pageNumber,
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String name,
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String location,
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String reason,
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Boolean showLogo) {
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try (PDDocument doc = pdfDocumentFactory.load(input)) {
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PDSignature signature = new PDSignature();
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signature.setFilter(PDSignature.FILTER_ADOBE_PPKLITE);
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signature.setSubFilter(PDSignature.SUBFILTER_ADBE_PKCS7_DETACHED);
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signature.setName(name);
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signature.setLocation(location);
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signature.setReason(reason);
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signature.setSignDate(Calendar.getInstance());
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if (showSignature) {
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SignatureOptions signatureOptions = new SignatureOptions();
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signatureOptions.setVisualSignature(
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instance.createVisibleSignature(doc, signature, pageNumber, showLogo));
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signatureOptions.setPage(pageNumber);
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doc.addSignature(signature, instance, signatureOptions);
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} else {
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doc.addSignature(signature, instance);
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}
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doc.saveIncremental(output);
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} catch (Exception e) {
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log.error("exception", e);
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}
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}
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private PrivateKey getPrivateKeyFromPEM(byte[] pemBytes, String password)
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throws IOException, OperatorCreationException, PKCSException {
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try (PEMParser pemParser =
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new PEMParser(new InputStreamReader(new ByteArrayInputStream(pemBytes)))) {
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Object pemObject = pemParser.readObject();
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JcaPEMKeyConverter converter = new JcaPEMKeyConverter().setProvider("BC");
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PrivateKeyInfo pkInfo;
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if (pemObject instanceof PKCS8EncryptedPrivateKeyInfo) {
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InputDecryptorProvider decProv =
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new JceOpenSSLPKCS8DecryptorProviderBuilder().build(password.toCharArray());
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pkInfo = ((PKCS8EncryptedPrivateKeyInfo) pemObject).decryptPrivateKeyInfo(decProv);
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} else if (pemObject instanceof PEMEncryptedKeyPair) {
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PEMDecryptorProvider decProv =
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new JcePEMDecryptorProviderBuilder().build(password.toCharArray());
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pkInfo =
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((PEMEncryptedKeyPair) pemObject)
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.decryptKeyPair(decProv)
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.getPrivateKeyInfo();
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} else {
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pkInfo = ((PEMKeyPair) pemObject).getPrivateKeyInfo();
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}
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return converter.getPrivateKey(pkInfo);
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}
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}
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private Certificate getCertificateFromPEM(byte[] pemBytes)
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throws IOException, CertificateException {
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try (ByteArrayInputStream bis = new ByteArrayInputStream(pemBytes)) {
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return CertificateFactory.getInstance("X.509").generateCertificate(bis);
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}
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}
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}
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@@ -4,25 +4,13 @@ import java.io.ByteArrayOutputStream;
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import java.io.IOException;
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import java.nio.charset.StandardCharsets;
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import java.text.SimpleDateFormat;
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import java.util.Calendar;
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import java.util.HashMap;
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import java.util.HashSet;
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import java.util.List;
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import java.util.Map;
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import java.util.Set;
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import java.util.*;
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import org.apache.pdfbox.Loader;
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import org.apache.pdfbox.cos.COSInputStream;
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import org.apache.pdfbox.cos.COSName;
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import org.apache.pdfbox.cos.COSString;
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import org.apache.pdfbox.pdmodel.PDDocument;
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import org.apache.pdfbox.pdmodel.PDDocumentCatalog;
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import org.apache.pdfbox.pdmodel.PDDocumentInformation;
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import org.apache.pdfbox.pdmodel.PDDocumentNameDictionary;
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import org.apache.pdfbox.pdmodel.PDEmbeddedFilesNameTreeNode;
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import org.apache.pdfbox.pdmodel.PDJavascriptNameTreeNode;
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import org.apache.pdfbox.pdmodel.PDPage;
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import org.apache.pdfbox.pdmodel.PDResources;
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import org.apache.pdfbox.pdmodel.*;
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import org.apache.pdfbox.pdmodel.common.PDMetadata;
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import org.apache.pdfbox.pdmodel.common.PDRectangle;
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import org.apache.pdfbox.pdmodel.common.PDStream;
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@@ -83,6 +71,48 @@ public class GetInfoOnPDF {
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static ObjectMapper objectMapper = new ObjectMapper();
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private static void addOutlinesToArray(PDOutlineItem outline, ArrayNode arrayNode) {
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if (outline == null) return;
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ObjectNode outlineNode = objectMapper.createObjectNode();
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outlineNode.put("Title", outline.getTitle());
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// You can add other properties if needed
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arrayNode.add(outlineNode);
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PDOutlineItem child = outline.getFirstChild();
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while (child != null) {
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addOutlinesToArray(child, arrayNode);
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child = child.getNextSibling();
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}
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}
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public static boolean checkForStandard(PDDocument document, String standardKeyword) {
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// Check XMP Metadata
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try {
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PDMetadata pdMetadata = document.getDocumentCatalog().getMetadata();
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if (pdMetadata != null) {
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COSInputStream metaStream = pdMetadata.createInputStream();
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DomXmpParser domXmpParser = new DomXmpParser();
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XMPMetadata xmpMeta = domXmpParser.parse(metaStream);
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ByteArrayOutputStream baos = new ByteArrayOutputStream();
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new XmpSerializer().serialize(xmpMeta, baos, true);
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String xmpString = new String(baos.toByteArray(), StandardCharsets.UTF_8);
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if (xmpString.contains(standardKeyword)) {
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return true;
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}
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}
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} catch (
|
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Exception
|
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e) { // Catching general exception for brevity, ideally you'd catch specific
|
||||
// exceptions.
|
||||
log.error("exception", e);
|
||||
}
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|
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return false;
|
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}
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||||
|
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@PostMapping(consumes = "multipart/form-data", value = "/get-info-on-pdf")
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@Operation(summary = "Summary here", description = "desc. Input:PDF Output:JSON Type:SISO")
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public ResponseEntity<byte[]> getPdfInfo(@ModelAttribute PDFFile request) throws IOException {
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@@ -606,21 +636,6 @@ public class GetInfoOnPDF {
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return state ? "Allowed" : "Not Allowed";
|
||||
}
|
||||
|
||||
private static void addOutlinesToArray(PDOutlineItem outline, ArrayNode arrayNode) {
|
||||
if (outline == null) return;
|
||||
|
||||
ObjectNode outlineNode = objectMapper.createObjectNode();
|
||||
outlineNode.put("Title", outline.getTitle());
|
||||
// You can add other properties if needed
|
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arrayNode.add(outlineNode);
|
||||
|
||||
PDOutlineItem child = outline.getFirstChild();
|
||||
while (child != null) {
|
||||
addOutlinesToArray(child, arrayNode);
|
||||
child = child.getNextSibling();
|
||||
}
|
||||
}
|
||||
|
||||
public String getPageOrientation(double width, double height) {
|
||||
if (width > height) {
|
||||
return "Landscape";
|
||||
@@ -678,33 +693,6 @@ public class GetInfoOnPDF {
|
||||
return dimensionInfo;
|
||||
}
|
||||
|
||||
public static boolean checkForStandard(PDDocument document, String standardKeyword) {
|
||||
// Check XMP Metadata
|
||||
try {
|
||||
PDMetadata pdMetadata = document.getDocumentCatalog().getMetadata();
|
||||
if (pdMetadata != null) {
|
||||
COSInputStream metaStream = pdMetadata.createInputStream();
|
||||
DomXmpParser domXmpParser = new DomXmpParser();
|
||||
XMPMetadata xmpMeta = domXmpParser.parse(metaStream);
|
||||
|
||||
ByteArrayOutputStream baos = new ByteArrayOutputStream();
|
||||
new XmpSerializer().serialize(xmpMeta, baos, true);
|
||||
String xmpString = new String(baos.toByteArray(), StandardCharsets.UTF_8);
|
||||
|
||||
if (xmpString.contains(standardKeyword)) {
|
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return true;
|
||||
}
|
||||
}
|
||||
} catch (
|
||||
Exception
|
||||
e) { // Catching general exception for brevity, ideally you'd catch specific
|
||||
// exceptions.
|
||||
log.error("exception", e);
|
||||
}
|
||||
|
||||
return false;
|
||||
}
|
||||
|
||||
public ArrayNode exploreStructureTree(List<Object> nodes) {
|
||||
ArrayNode elementsArray = objectMapper.createArrayNode();
|
||||
if (nodes != null) {
|
||||
|
||||
@@ -1,6 +1,6 @@
|
||||
package stirling.software.SPDF.controller.api.security;
|
||||
|
||||
import java.awt.Color;
|
||||
import java.awt.*;
|
||||
import java.io.ByteArrayOutputStream;
|
||||
import java.io.IOException;
|
||||
import java.util.List;
|
||||
|
||||
+2
-10
@@ -4,17 +4,9 @@ import java.io.IOException;
|
||||
|
||||
import org.apache.pdfbox.cos.COSDictionary;
|
||||
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.PDPageTree;
|
||||
import org.apache.pdfbox.pdmodel.PDResources;
|
||||
import org.apache.pdfbox.pdmodel.*;
|
||||
import org.apache.pdfbox.pdmodel.common.PDMetadata;
|
||||
import org.apache.pdfbox.pdmodel.interactive.action.PDAction;
|
||||
import org.apache.pdfbox.pdmodel.interactive.action.PDActionJavaScript;
|
||||
import org.apache.pdfbox.pdmodel.interactive.action.PDActionLaunch;
|
||||
import org.apache.pdfbox.pdmodel.interactive.action.PDActionURI;
|
||||
import org.apache.pdfbox.pdmodel.interactive.action.PDFormFieldAdditionalActions;
|
||||
import org.apache.pdfbox.pdmodel.interactive.action.*;
|
||||
import org.apache.pdfbox.pdmodel.interactive.annotation.PDAnnotation;
|
||||
import org.apache.pdfbox.pdmodel.interactive.annotation.PDAnnotationLink;
|
||||
import org.apache.pdfbox.pdmodel.interactive.annotation.PDAnnotationWidget;
|
||||
|
||||
+1
-5
@@ -14,11 +14,7 @@ import org.apache.pdfbox.pdmodel.PDDocument;
|
||||
import org.apache.pdfbox.pdmodel.interactive.digitalsignature.PDSignature;
|
||||
import org.bouncycastle.cert.X509CertificateHolder;
|
||||
import org.bouncycastle.cert.jcajce.JcaX509CertificateConverter;
|
||||
import org.bouncycastle.cms.CMSProcessable;
|
||||
import org.bouncycastle.cms.CMSProcessableByteArray;
|
||||
import org.bouncycastle.cms.CMSSignedData;
|
||||
import org.bouncycastle.cms.SignerInformation;
|
||||
import org.bouncycastle.cms.SignerInformationStore;
|
||||
import org.bouncycastle.cms.*;
|
||||
import org.bouncycastle.cms.jcajce.JcaSimpleSignerInfoVerifierBuilder;
|
||||
import org.bouncycastle.util.Store;
|
||||
import org.springframework.beans.factory.annotation.Autowired;
|
||||
|
||||
+1
-1
@@ -1,6 +1,6 @@
|
||||
package stirling.software.SPDF.controller.api.security;
|
||||
|
||||
import java.awt.Color;
|
||||
import java.awt.*;
|
||||
import java.awt.image.BufferedImage;
|
||||
import java.io.File;
|
||||
import java.io.FileOutputStream;
|
||||
|
||||
Reference in New Issue
Block a user