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Support corrupt PDF files with invalid/non-existent Group /CS entries (issue 11045)

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The PDF file in question tries to reference a non-existent ColorSpace, which should be quite rare in practice.
This commit is contained in:
Jonas Jenwald 2019-08-05 14:40:48 +02:00
parent a666f1ef00
commit 5ac9c7c384
4 changed files with 16 additions and 2 deletions
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10
src/core/evaluator.js
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@ -263,8 +263,14 @@ var PartialEvaluator = (function PartialEvaluatorClosure() {
groupOptions.isolated = (group.get('I') || false);
groupOptions.knockout = (group.get('K') || false);
if (group.has('CS')) {
colorSpace = ColorSpace.parse(group.get('CS'), this.xref, resources,
this.pdfFunctionFactory);
colorSpace = group.get('CS');
if (colorSpace) {
colorSpace = ColorSpace.parse(colorSpace, this.xref, resources,
this.pdfFunctionFactory);
} else {
warn('buildFormXObject - invalid/non-existent Group /CS entry: ' +
group.getRaw('CS'));
}
}
}