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Fix validation

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This commit is contained in:
Svetlana Kulikova
2024-03-06 16:20:28 +03:00
parent 583f7b0d0c
commit d92ab67b21
8 changed files with 43 additions and 41 deletions
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15
PdfFile/PdfReader.cpp
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@ -1561,18 +1561,18 @@ BYTE* CPdfReader::GetShapes(int nPageIndex)
{
if (!m_pPDFDocument || !m_pPDFDocument->getCatalog())
return NULL;
Ref* pPageRef = m_pPDFDocument->getCatalog()->getPageRef(nPageIndex + 1);
if (!pPageRef)
Dict* pResources = m_pPDFDocument->getCatalog()->getPage(nPageIndex + 1)->getResourceDict();
if (!pResources)
return NULL;
Object oPageObj, oMetaOForm, oID;
Object oProperties, oMetaOForm, oID;
XRef* xref = m_pPDFDocument->getXRef();
if (!xref->fetch(pPageRef->num, pPageRef->gen, &oPageObj)->isDict() || !oPageObj.dictLookup("MetaOForm", &oMetaOForm)->isDict("MetaOForm") || !oMetaOForm.dictLookup("ID", &oID)->isString())
if (!pResources->lookup("Properties", &oProperties)->isDict() || !oProperties.dictLookup("MetaOForm", &oMetaOForm)->isDict("MetaOForm") || !oMetaOForm.dictLookup("ID", &oID)->isString())
{
oPageObj.free(); oMetaOForm.free(); oID.free();
oProperties.free(); oMetaOForm.free(); oID.free();
return NULL;
}
oPageObj.free();
oProperties.free();
Object oTID, oID2;
Object* pTrailerDict = xref->getTrailerDict();
@ -1581,7 +1581,7 @@ BYTE* CPdfReader::GetShapes(int nPageIndex)
oMetaOForm.free(); oID.free(); oTID.free(); oID2.free();
return NULL;
}
oTID.free(); oID.free(); oID2.free();
oID.free(); oTID.free(); oID2.free();
Object oMetadata;
if (!oMetaOForm.dictLookup("Metadata", &oMetadata)->isArray())
@ -1608,6 +1608,7 @@ BYTE* CPdfReader::GetShapes(int nPageIndex)
}
oRes.WriteString(sStr);
}
oMetadata.free();
oRes.WriteLen();
BYTE* bRes = oRes.GetBuffer();