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tdf#145312 xmlsecurity: prevent from crash when cannot receive pdfium annotation

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Change-Id: I6adc2cb0a07eb08a50c610958983493f4f8031ee
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/124021
Tested-by: Szymon Kłos <szymon.klos@collabora.com>
Reviewed-by: Szymon Kłos <szymon.klos@collabora.com>
This commit is contained in:
Szymon Kłos
2021-10-25 12:04:30 +02:00
parent d267e5a0b1
commit 97b15bcc2d
1 changed files with 5 additions and 0 deletions
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5
xmlsecurity/source/helper/pdfsignaturehelper.cxx
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@@ -275,6 +275,11 @@ void AnalyizeSignatureStream(SvMemoryStream& rStream, std::vector<PageChecksum>&
for (int i = 0; i < pPdfPage->getAnnotationCount(); ++i) for (int i = 0; i < pPdfPage->getAnnotationCount(); ++i)
{ {
std::unique_ptr<vcl::pdf::PDFiumAnnotation> pPdfAnnotation = pPdfPage->getAnnotation(i); std::unique_ptr<vcl::pdf::PDFiumAnnotation> pPdfAnnotation = pPdfPage->getAnnotation(i);
if (!pPdfAnnotation)
{
SAL_WARN("xmlsecurity.helper", "Cannot get PDFiumAnnotation");
continue;
}
vcl::pdf::PDFAnnotationSubType eType = pPdfAnnotation->getSubType(); vcl::pdf::PDFAnnotationSubType eType = pPdfAnnotation->getSubType();
switch (eType) switch (eType)
{ {