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Posted to dev@poi.apache.org by bu...@apache.org on 2019/10/14 19:30:28 UTC
[Bug 63846] New: Handle invalid characters in relationship .rels
https://bz.apache.org/bugzilla/show_bug.cgi?id=63846
Bug ID: 63846
Summary: Handle invalid characters in relationship .rels
Product: POI
Version: 4.1.x-dev
Hardware: All
OS: All
Status: NEW
Severity: normal
Priority: P2
Component: OPC
Assignee: dev@poi.apache.org
Reporter: kiwiwings@apache.org
Target Milestone: ---
I was trying to figuring out rendering issues and converted the file 53446.ppt
to .pptx via Powerpoint 2016.
The resulting file contains tab characters (0x07) in the relationship elements
of slide11.xml.rels.
The file can be opened by Libre office.
I'm not sure on how to react on this bug - either we find a way on telling the
sax parser that this is ok or we preparse/filter the files ... or we simply
accept, that we can't parse those files ...
The converted file can be found here:
http://people.apache.org/~kiwiwings/bugs/53446.pptx
> org.xml.sax.SAXParseException; lineNumber: 2; columnNumber: 911; An invalid XML character (Unicode: 0x7) was found in the value of attribute "Target" and element is "Relationship".
> at java.xml/com.sun.org.apache.xerces.internal.util.ErrorHandlerWrapper.createSAXParseException(ErrorHandlerWrapper.java:204)
> at java.xml/com.sun.org.apache.xerces.internal.util.ErrorHandlerWrapper.fatalError(ErrorHandlerWrapper.java:178)
> at java.xml/com.sun.org.apache.xerces.internal.impl.XMLErrorReporter.reportError(XMLErrorReporter.java:399)
> at java.xml/com.sun.org.apache.xerces.internal.impl.XMLErrorReporter.reportError(XMLErrorReporter.java:326)
> at java.xml/com.sun.org.apache.xerces.internal.impl.XMLScanner.reportFatalError(XMLScanner.java:1471)
> at java.xml/com.sun.org.apache.xerces.internal.impl.XMLScanner.scanAttributeValue(XMLScanner.java:979)
> at java.xml/com.sun.org.apache.xerces.internal.impl.XMLNSDocumentScannerImpl.scanAttribute(XMLNSDocumentScannerImpl.java:447)
> at java.xml/com.sun.org.apache.xerces.internal.impl.XMLNSDocumentScannerImpl.scanStartElement(XMLNSDocumentScannerImpl.java:250)
> at java.xml/com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl$FragmentContentDriver.next(XMLDocumentFragmentScannerImpl.java:2706)
> at java.xml/com.sun.org.apache.xerces.internal.impl.XMLDocumentScannerImpl.next(XMLDocumentScannerImpl.java:601)
> at java.xml/com.sun.org.apache.xerces.internal.impl.XMLNSDocumentScannerImpl.next(XMLNSDocumentScannerImpl.java:112)
> at java.xml/com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.scanDocument(XMLDocumentFragmentScannerImpl.java:531)
> at java.xml/com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(XML11Configuration.java:887)
> at java.xml/com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(XML11Configuration.java:823)
> at java.xml/com.sun.org.apache.xerces.internal.parsers.XMLParser.parse(XMLParser.java:141)
> at java.xml/com.sun.org.apache.xerces.internal.parsers.DOMParser.parse(DOMParser.java:243)
> at java.xml/com.sun.org.apache.xerces.internal.jaxp.DocumentBuilderImpl.parse(DocumentBuilderImpl.java:339)
> at java.xml/javax.xml.parsers.DocumentBuilder.parse(DocumentBuilder.java:122)
> at poi.ooxml@4.1.0/org.apache.poi.ooxml.util.DocumentHelper.readDocument(DocumentHelper.java:166)
> at poi.ooxml@4.1.0/org.apache.poi.openxml4j.opc.PackageRelationshipCollection.parseRelationshipsPart(PackageRelationshipCollection.java:304)
> at poi.ooxml@4.1.0/org.apache.poi.openxml4j.opc.PackageRelationshipCollection.<init>(PackageRelationshipCollection.java:163)
> at poi.ooxml@4.1.0/org.apache.poi.openxml4j.opc.PackageRelationshipCollection.<init>(PackageRelationshipCollection.java:133)
> at poi.ooxml@4.1.0/org.apache.poi.openxml4j.opc.PackagePart.loadRelationships(PackagePart.java:570)
> at poi.ooxml@4.1.0/org.apache.poi.openxml4j.opc.OPCPackage.getParts(OPCPackage.java:725)
> at poi.ooxml@4.1.0/org.apache.poi.openxml4j.opc.OPCPackage.open(OPCPackage.java:274)
> at kiwiwings.poivisualizer/de.kiwiwings.poi.visualizer.treemodel.opc.OPCTreeModel.load(OPCTreeModel.java:52)
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[Bug 63846] Handle invalid characters in relationship .rels
Posted by bu...@apache.org.
https://bz.apache.org/bugzilla/show_bug.cgi?id=63846
--- Comment #1 from Dominik Stadler <do...@gmx.at> ---
Technically this document is broken and not valid XML, also other xml-tools
complain about it:
$ xmllint ppt/slides/_rels/slide11.xml.rels
ppt/slides/_rels/slide11.xml.rels:2: parser error : invalid character in
attribute value
t%20&%20Cntrl\DASHTEMPLATE.doc#_Hlk440858950 1,3370,3673,0,,
APPROVALS:
^
...
so it will be hard to convince the standard-complying XmlParser in Java to
accept it.
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[Bug 63846] Handle invalid characters in relationship .rels
Posted by bu...@apache.org.
https://bz.apache.org/bugzilla/show_bug.cgi?id=63846
--- Comment #2 from Andreas Beeker <ki...@apache.org> ---
I haven't tried it yet, but in Xml 1.1 I think it's possible to parse those
chars.
see https://stackoverflow.com/a/28152666/2066598
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