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Fix bug 66223

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This commit is contained in:
Svetlana Kulikova
2024-01-29 18:00:04 +03:00
parent 2eed2729cc
commit 3efd9aebc9
4 changed files with 28 additions and 8 deletions
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24
PdfFile/PdfFile.cpp
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@ -593,7 +593,7 @@ bool CPdfFile::EditPdf(const std::wstring& wsDstFile)
// Нужно получить словарь Encrypt БЕЗ дешифровки, поэтому времено отключаем encrypted в xref
xref->offEncrypted();
Object encrypt;
Object encrypt, ID, ID1;
if (pTrailerDict->dictLookup("Encrypt", &encrypt) && encrypt.isDict())
{
for (int nIndex = 0; nIndex < encrypt.dictGetLength(); ++nIndex)
@ -604,16 +604,30 @@ bool CPdfFile::EditPdf(const std::wstring& wsDstFile)
DictToCDictObject(&oTemp, pEncryptDict, true, chKey);
oTemp.free();
}
pEncryptDict->SetRef(0, 0);
pEncryptDict->Fix();
}
if (!pEncryptDict->Get("Length"))
pEncryptDict->Add("Length", 40);
encrypt.free();
if (pTrailerDict->dictLookup("ID", &ID) && ID.isArray() && ID.arrayGet(0, &ID1) && ID1.isString())
DictToCDictObject(&ID1, pEncryptDict, true, "ID");
ID.free(); ID1.free();
xref->onEncrypted();
pEncryptDict->SetRef(0, 0);
pEncryptDict->Fix();
pEncryptDict->SetPasswords(m_pInternal->wsPassword, m_pInternal->wsPassword);
pEncryptDict->UpdateKey(nCryptAlgorithm);
if (!pEncryptDict->UpdateKey(nCryptAlgorithm))
{
pagesRefObj.free();
RELEASEOBJECT(pXref);
RELEASEOBJECT(pDRXref);
return false;
}
}
}