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Posted to commits@pdfbox.apache.org by ti...@apache.org on 2021/02/23 18:50:18 UTC
svn commit: r1886856 -
/pdfbox/branches/2.0/pdfbox/src/main/java/org/apache/pdfbox/cos/COSStream.java
Author: tilman
Date: Tue Feb 23 18:50:18 2021
New Revision: 1886856
URL: http://svn.apache.org/viewvc?rev=1886856&view=rev
Log:
PDFBOX-5107: avoid ClassCastException
Modified:
pdfbox/branches/2.0/pdfbox/src/main/java/org/apache/pdfbox/cos/COSStream.java
Modified: pdfbox/branches/2.0/pdfbox/src/main/java/org/apache/pdfbox/cos/COSStream.java
URL: http://svn.apache.org/viewvc/pdfbox/branches/2.0/pdfbox/src/main/java/org/apache/pdfbox/cos/COSStream.java?rev=1886856&r1=1886855&r2=1886856&view=diff
==============================================================================
--- pdfbox/branches/2.0/pdfbox/src/main/java/org/apache/pdfbox/cos/COSStream.java (original)
+++ pdfbox/branches/2.0/pdfbox/src/main/java/org/apache/pdfbox/cos/COSStream.java Tue Feb 23 18:50:18 2021
@@ -311,8 +311,13 @@ public class COSStream extends COSDictio
COSArray filterArray = (COSArray)filters;
for (int i = 0; i < filterArray.size(); i++)
{
- COSName filterName = (COSName)filterArray.get(i);
- filterList.add(FilterFactory.INSTANCE.getFilter(filterName));
+ COSBase base = filterArray.get(i);
+ if (!(base instanceof COSName))
+ {
+ throw new IOException("Forbidden type in filter array: " +
+ (base == null ? "null" : base.getClass().getName()));
+ }
+ filterList.add(FilterFactory.INSTANCE.getFilter((COSName) base));
}
}
return filterList;