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https://issues.apache.org/jira/browse/PDFBOX-2233?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14070617#comment-14070617
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Tilman Hausherr commented on PDFBOX-2233:
-----------------------------------------
We need a class to buffer a stream in memory, and that can also be used as
input for PushBackInputStream. MemoryCacheImageInputStream can buffer a stream,
but can't be used as input for PushBackInputStream :-(
> Make PreflightParser sandbox safe
> ---------------------------------
>
> Key: PDFBOX-2233
> URL: https://issues.apache.org/jira/browse/PDFBOX-2233
> Project: PDFBox
> Issue Type: Improvement
> Components: Preflight
> Affects Versions: 2.0.0
> Reporter: simon steiner
>
> It should be possible to pass a DataSource into PreflightParser without a
> temp file being created. Temp file is being created in NonSequentialPDFParser
> causing a SecurityException.
> java.lang.SecurityException: Unable to create temporary file
> at java.io.File.createTempFile(File.java:2018)
> at java.io.File.createTempFile(File.java:2070)
> at
> org.apache.pdfbox.pdfparser.NonSequentialPDFParser.createTmpFile(NonSequentialPDFParser.java:281)
> at
> org.apache.pdfbox.pdfparser.NonSequentialPDFParser.<init>(NonSequentialPDFParser.java:261)
> at
> org.apache.pdfbox.pdfparser.NonSequentialPDFParser.<init>(NonSequentialPDFParser.java:247)
> at
> org.apache.pdfbox.preflight.parser.PreflightParser.<init>(PreflightParser.java:125)
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