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[network/dom] Improve sanitization of download filenames.

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Moonchild 2020-07-29 01:21:13 +00:00 • committed by Roy Tam
commit 52c03190ee
4 changed files with 26 additions and 3 deletions
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8
dom/base/nsContentUtils.cpp
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@ -5123,6 +5123,14 @@ nsContentUtils::TriggerLink(nsIContent *aContent, nsPresContext *aPresContext,
fileName.SetIsVoid(true); // No actionable download attribute was found.
}
// Sanitize fileNames containing control characters by replacing them with
// underscores.
if (!fileName.IsVoid()) {
for (int i = 0; i < 32; i++) {
fileName.ReplaceChar(char16_t(i), '_');
}
}
handler->OnLinkClick(aContent, aLinkURI,
fileName.IsVoid() ? aTargetSpec.get() : EmptyString().get(),
fileName, nullptr, nullptr, aIsTrusted, aContent->NodePrincipal());