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LibWeb: Move code that generates uuid into separate function

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Make possible to generate uuid without having crypto class instance.
This commit is contained in:
Aliaksandr Kalenik 2023-03-13 16:22:07 +03:00 • committed by Tim Flynn
parent 12cd74495a
commit e8550ed21d
2 changed files with 21 additions and 12 deletions
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31
Userland/Libraries/LibWeb/Crypto/Crypto.cpp
View file

@ -72,6 +72,18 @@ WebIDL::ExceptionOr<String> Crypto::random_uuid() const
{ {
auto& vm = realm().vm(); auto& vm = realm().vm();
return TRY_OR_THROW_OOM(vm, generate_random_uuid());
}
void Crypto::visit_edges(Cell::Visitor& visitor)
{
Base::visit_edges(visitor);
visitor.visit(m_subtle.ptr());
}
// https://w3c.github.io/webcrypto/#dfn-generate-a-random-uuid
ErrorOr<String> generate_random_uuid()
{
// 1. Let bytes be a byte sequence of length 16. // 1. Let bytes be a byte sequence of length 16.
u8 bytes[16]; u8 bytes[16];
@ -113,18 +125,13 @@ WebIDL::ExceptionOr<String> Crypto::random_uuid() const
». ».
*/ */
StringBuilder builder; StringBuilder builder;
TRY_OR_THROW_OOM(vm, builder.try_appendff("{:02x}{:02x}{:02x}{:02x}-", bytes[0], bytes[1], bytes[2], bytes[3])); TRY(builder.try_appendff("{:02x}{:02x}{:02x}{:02x}-", bytes[0], bytes[1], bytes[2], bytes[3]));
TRY_OR_THROW_OOM(vm, builder.try_appendff("{:02x}{:02x}-", bytes[4], bytes[5])); TRY(builder.try_appendff("{:02x}{:02x}-", bytes[4], bytes[5]));
TRY_OR_THROW_OOM(vm, builder.try_appendff("{:02x}{:02x}-", bytes[6], bytes[7])); TRY(builder.try_appendff("{:02x}{:02x}-", bytes[6], bytes[7]));
TRY_OR_THROW_OOM(vm, builder.try_appendff("{:02x}{:02x}-", bytes[8], bytes[9])); TRY(builder.try_appendff("{:02x}{:02x}-", bytes[8], bytes[9]));
TRY_OR_THROW_OOM(vm, builder.try_appendff("{:02x}{:02x}{:02x}{:02x}{:02x}{:02x}", bytes[10], bytes[11], bytes[12], bytes[13], bytes[14], bytes[15])); TRY(builder.try_appendff("{:02x}{:02x}{:02x}{:02x}{:02x}{:02x}", bytes[10], bytes[11], bytes[12], bytes[13], bytes[14], bytes[15]));
return TRY_OR_THROW_OOM(vm, builder.to_string());
}
void Crypto::visit_edges(Cell::Visitor& visitor) return builder.to_string();
{ };
Base::visit_edges(visitor);
visitor.visit(m_subtle.ptr());
}
} }

2
Userland/Libraries/LibWeb/Crypto/Crypto.h
View file

@ -35,4 +35,6 @@ private:
JS::GCPtr<SubtleCrypto> m_subtle; JS::GCPtr<SubtleCrypto> m_subtle;
}; };
ErrorOr<String> generate_random_uuid();
} }