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LibWeb: Port SubtleCrypto to new String

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The algorithm comparison in digest() is done using a StringView to avoid
complex error handling and promise rejection.
This commit is contained in:
Kenneth Myhra 2023-02-23 21:31:57 +01:00 • committed by Linus Groh
parent a8cef1fa06
commit f783af05ed
3 changed files with 8 additions and 7 deletions
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11
Userland/Libraries/LibWeb/Crypto/SubtleCrypto.cpp
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@ -35,7 +35,7 @@ JS::ThrowCompletionOr<void> SubtleCrypto::initialize(JS::Realm& realm)
}
// https://w3c.github.io/webcrypto/#dfn-SubtleCrypto-method-digest
JS::Promise* SubtleCrypto::digest(DeprecatedString const& algorithm, JS::Handle<JS::Object> const& data)
JS::Promise* SubtleCrypto::digest(String const& algorithm, JS::Handle<JS::Object> const& data)
{
auto& realm = this->realm();
@ -54,13 +54,14 @@ JS::Promise* SubtleCrypto::digest(DeprecatedString const& algorithm, JS::Handle<
// 3. Let normalizedAlgorithm be the result of normalizing an algorithm, with alg set to algorithm and op set to "digest".
// FIXME: This is way more generic than it needs to be right now, so we simplify it.
::Crypto::Hash::HashKind hash_kind;
if (algorithm.equals_ignoring_case("SHA-1"sv)) {
auto algorithm_as_string_view = algorithm.bytes_as_string_view();
if (algorithm_as_string_view.equals_ignoring_case("SHA-1"sv)) {
hash_kind = ::Crypto::Hash::HashKind::SHA1;
} else if (algorithm.equals_ignoring_case("SHA-256"sv)) {
} else if (algorithm_as_string_view.equals_ignoring_case("SHA-256"sv)) {
hash_kind = ::Crypto::Hash::HashKind::SHA256;
} else if (algorithm.equals_ignoring_case("SHA-384"sv)) {
} else if (algorithm_as_string_view.equals_ignoring_case("SHA-384"sv)) {
hash_kind = ::Crypto::Hash::HashKind::SHA384;
} else if (algorithm.equals_ignoring_case("SHA-512"sv)) {
} else if (algorithm_as_string_view.equals_ignoring_case("SHA-512"sv)) {
hash_kind = ::Crypto::Hash::HashKind::SHA512;
}
// 4. If an error occurred, return a Promise rejected with normalizedAlgorithm.