Mirrors/Stirling-PDF
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optimize attachment handling and filename normalization

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This commit is contained in:
Balázs Szücs 2025-08-06 20:35:39 +02:00
parent 18cc10eab7
commit 0c82446966
1 changed files with 15 additions and 2 deletions
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17
app/common/src/main/java/stirling/software/common/util/PdfAttachmentHandler.java
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@ -68,7 +68,7 @@ public class PdfAttachmentHandler {
try (PDDocument document = pdfDocumentFactory.load(pdfBytes);
ByteArrayOutputStream outputStream = new ByteArrayOutputStream()) {
List<MultipartFile> multipartAttachments = new ArrayList<>();
List<MultipartFile> multipartAttachments = new ArrayList<>(attachments.size());
for (int i = 0; i < attachments.size(); i++) {
EmlParser.EmailAttachment attachment = attachments.get(i);
if (attachment.getData() != null && attachment.getData().length > 0) {
@ -469,7 +469,10 @@ public class PdfAttachmentHandler {
}
String normalizedFilename =
java.text.Normalizer.normalize(filename, java.text.Normalizer.Form.NFC);
isAscii(filename)
? filename
: java.text.Normalizer.normalize(
filename, java.text.Normalizer.Form.NFC);
String uniqueFilename =
ensureUniqueFilename(normalizedFilename, existingNames.keySet());
@ -664,4 +667,14 @@ public class PdfAttachmentHandler {
page.getAnnotations().add(fileAnnotation);
}
private static boolean isAscii(String str) {
if (str == null) return true;
for (int i = 0; i < str.length(); i++) {
if (str.charAt(i) > 127) {
return false;
}
}
return true;
}
}