From 5fc01be0bac1394e9a48f1631679485ab5a2fdc4 Mon Sep 17 00:00:00 2001
From: Thomas <>
Date: Wed, 13 Sep 2023 09:31:51 +0200
Subject: feat(core): add custom HTTP header to provide filename

 Reason: 'Content-Disposition' header only supports ASCI characters
---
 .../src/main/java/at/gv/egiz/pdfas/web/servlets/PDFData.java       | 7 +++++++
 1 file changed, 7 insertions(+)

(limited to 'pdf-as-web/src/main/java/at/gv/egiz/pdfas/web')

diff --git a/pdf-as-web/src/main/java/at/gv/egiz/pdfas/web/servlets/PDFData.java b/pdf-as-web/src/main/java/at/gv/egiz/pdfas/web/servlets/PDFData.java
index 031eeac2..96d02f16 100644
--- a/pdf-as-web/src/main/java/at/gv/egiz/pdfas/web/servlets/PDFData.java
+++ b/pdf-as-web/src/main/java/at/gv/egiz/pdfas/web/servlets/PDFData.java
@@ -26,6 +26,8 @@ package at.gv.egiz.pdfas.web.servlets;
 import java.io.ByteArrayOutputStream;
 import java.io.IOException;
 import java.io.OutputStream;
+import java.nio.charset.StandardCharsets;
+import java.util.Base64;
 import java.util.Iterator;
 import java.util.List;
 import java.util.zip.Deflater;
@@ -236,6 +238,11 @@ public class PDFData extends HttpServlet {
       }
       response.setHeader("Content-Disposition", "inline;filename=\""
           + PdfAsHelper.getPDFFileName(request) + "\"");
+      
+      response.setHeader("X-FILENAME-BASE64URL", 
+          Base64.getUrlEncoder().encodeToString(
+              PdfAsHelper.getPDFFileName(request).getBytes(StandardCharsets.UTF_8)));
+      
       final String pdfCert = signedFile.getSignerCertificate();
       if (pdfCert != null) {
         response.setHeader("Signer-Certificate", pdfCert);
-- 
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