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LibWeb: Ensure that contentType in Blob::slice is basic latin

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Shannon Booth 2023-06-05 10:57:28 +12:00 committed by Andreas Kling
parent a9e37be7a0
commit 7f6a49c085
Notes: sideshowbarker 2024-07-17 05:01:20 +09:00 
Author: https://github.com/shannonbooth
Commit: https://github.com/SerenityOS/serenity/commit/7f6a49c085
Pull-request: https://github.com/SerenityOS/serenity/pull/19265
1 changed files with 6 additions and 4 deletions
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10
Userland/Libraries/LibWeb/FileAPI/Blob.cpp
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@ -230,10 +230,12 @@ WebIDL::ExceptionOr<JS::NonnullGCPtr<Blob>> Blob::slice(Optional<i64> start, Opt
} else {
// b. Else let relativeContentType be set to contentType and run the substeps below:
// FIXME: 1. If relativeContentType contains any characters outside the range of U+0020 to U+007E, then set relativeContentType to the empty string and return from these substeps.
// 2. Convert every character in relativeContentType to ASCII lowercase.
relative_content_type = TRY_OR_THROW_OOM(vm, Infra::to_ascii_lowercase(content_type.value()));
// 1. If relativeContentType contains any characters outside the range of U+0020 to U+007E, then set relativeContentType to the empty string and return from these substeps.
// NOTE: contentType is set to empty string at declaration.
if (is_basic_latin(content_type.value())) {
// 2. Convert every character in relativeContentType to ASCII lowercase.
relative_content_type = TRY_OR_THROW_OOM(vm, Infra::to_ascii_lowercase(content_type.value()));
}
}
// 4. Let span be max((relativeEnd - relativeStart), 0).