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LibWeb: Reject improperly encoded XML documents as not well-formed

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Idan Horowitz 2023-11-17 15:14:07 +02:00 • committed by Andreas Kling
commit 9677d8eeac
Notes: sideshowbarker 2024-07-16 23:44:30 +09:00
1 changed files with 3 additions and 0 deletions
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3
Userland/Libraries/LibWeb/DOM/DocumentLoading.cpp
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@ -159,6 +159,9 @@ bool build_xml_document(DOM::Document& document, ByteBuffer const& data, Optiona
decoder = TextCodec::decoder_for(encoding); decoder = TextCodec::decoder_for(encoding);
} }
VERIFY(decoder.has_value()); VERIFY(decoder.has_value());
// Well-formed XML documents contain only properly encoded characters
if (!decoder->validate(data))
return false;
auto source = decoder->to_utf8(data).release_value_but_fixme_should_propagate_errors(); auto source = decoder->to_utf8(data).release_value_but_fixme_should_propagate_errors();
XML::Parser parser(source, { .resolve_external_resource = resolve_xml_resource }); XML::Parser parser(source, { .resolve_external_resource = resolve_xml_resource });
XMLDocumentBuilder builder { document }; XMLDocumentBuilder builder { document };