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Ensure that the /Resources-entry is actually a dictionary (issue 15150)

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Prevent issues in *corrupt* PDF documents, if the /Resources-entry is not of the correct and expected type.
This commit is contained in:
Jonas Jenwald 2022-07-08 12:06:25 +02:00
parent b0a3c9e8cf
commit c2f7942aea
4 changed files with 60 additions and 1 deletions
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32
test/unit/api_spec.js
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@ -673,6 +673,38 @@ describe("api", function () {
await Promise.all([loadingTask1.destroy(), loadingTask2.destroy()]);
});
it("creates pdf doc from PDF file with bad /Resources entry", async function () {
const loadingTask = getDocument(buildGetDocumentParams("issue15150.pdf"));
expect(loadingTask instanceof PDFDocumentLoadingTask).toEqual(true);
const pdfDocument = await loadingTask.promise;
expect(pdfDocument.numPages).toEqual(1);
const page = await pdfDocument.getPage(1);
expect(page instanceof PDFPageProxy).toEqual(true);
const opList = await page.getOperatorList();
expect(opList.fnArray).toEqual([
OPS.setLineWidth,
OPS.setStrokeRGBColor,
OPS.constructPath,
OPS.closeStroke,
]);
expect(opList.argsArray).toEqual([
[0.5],
new Uint8ClampedArray([255, 0, 0]),
[
[OPS.moveTo, OPS.lineTo],
[0, 9.75, 0.5, 9.75],
[0, 0.5, 9.75, 9.75],
],
null,
]);
expect(opList.lastChunk).toEqual(true);
await loadingTask.destroy();
});
});
describe("PDFWorker", function () {