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Detect scripted auto-print requests

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Fixes #6106

To avoid future regressions, two new unit tests were added:
1. A new PDF based on the report from #6106, which contains an
   OpenAction of type JavaScript and a string "this.print({...}".
2. An existing PDF from https://bugzil.la/1001080 (from #4698).

Although it does not matter, since we don't execute the JavaScript code,
I have also changed "print(true)" to "print({})" since the print method
takes an object (not a boolean). See "Printing PDF documents", page 62:
http://adobe.com/content/dam/Adobe/en/devnet/acrobat/pdfs/js_developer_guide.pdf
This commit is contained in:
Rob Wu 2015-07-20 18:25:02 +02:00
parent d3e90cf825
commit c676ecb5a0
6 changed files with 124 additions and 24 deletions
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2
web/viewer.js
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@ -820,7 +820,7 @@ var PDFViewerApplication = {
self.fallback(PDFJS.UNSUPPORTED_FEATURES.javaScript);
}
// Hack to support auto printing.
var regex = /\bprint\s*\(/g;
var regex = /\bprint\s*\(/;
for (var i = 0, ii = javaScript.length; i < ii; i++) {
var js = javaScript[i];
if (js && regex.test(js)) {