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LibWeb/MimeSniff: Add sniffing in a font context
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3 changed files with 122 additions and 1 deletions
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@ -202,3 +202,44 @@ TEST_CASE(determine_computed_mime_type_in_audio_or_video_sniffing_context)
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EXPECT_EQ(mime_type, computed_mime_type.essence());
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}
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TEST_CASE(determine_computed_mime_type_in_a_font_context)
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{
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// Cover case where supplied type is an XML MIME type.
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auto mime_type = "application/rss+xml"sv;
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auto supplied_type = MUST(Web::MimeSniff::MimeType::parse(mime_type)).release_value();
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auto computed_mime_type = MUST(Web::MimeSniff::Resource::sniff(""sv.bytes(), Web::MimeSniff::SniffingConfiguration {
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.sniffing_context = Web::MimeSniff::SniffingContext::Font,
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.supplied_type = supplied_type,
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}));
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EXPECT_EQ(mime_type, MUST(computed_mime_type.serialized()));
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HashMap<StringView, Vector<StringView>> mime_type_to_headers_map;
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mime_type_to_headers_map.set("application/octet-stream"sv, { "\x00"sv });
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mime_type_to_headers_map.set("application/vnd.ms-fontobject"sv, { "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00LP"sv });
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mime_type_to_headers_map.set("font/ttf"sv, { "\x00\x01\x00\x00"sv });
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mime_type_to_headers_map.set("font/otf"sv, { "OTTO"sv });
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mime_type_to_headers_map.set("font/collection"sv, { "ttcf"sv });
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mime_type_to_headers_map.set("font/woff"sv, { "wOFF"sv });
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mime_type_to_headers_map.set("font/woff2"sv, { "wOF2"sv });
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for (auto const& mime_type_to_headers : mime_type_to_headers_map) {
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auto mime_type = mime_type_to_headers.key;
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for (auto const& header : mime_type_to_headers.value) {
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auto computed_mime_type = MUST(Web::MimeSniff::Resource::sniff(header.bytes(), Web::MimeSniff::SniffingConfiguration { .sniffing_context = Web::MimeSniff::SniffingContext::Font }));
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EXPECT_EQ(mime_type, computed_mime_type.essence());
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}
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}
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// Cover case where we aren't dealing with a font MIME type.
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mime_type = "text/html"sv;
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supplied_type = MUST(Web::MimeSniff::MimeType::parse("text/html"sv)).release_value();
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computed_mime_type = MUST(Web::MimeSniff::Resource::sniff(""sv.bytes(), Web::MimeSniff::SniffingConfiguration {
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.sniffing_context = Web::MimeSniff::SniffingContext::Font,
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.supplied_type = supplied_type,
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}));
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EXPECT_EQ(mime_type, computed_mime_type.essence());
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}
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