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LibWeb: Centralize getting the hash algorithm identifier for crypto

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Jelle Raaijmakers 2024-11-13 11:26:49 +01:00 committed by Andreas Kling
parent 4e1dab477a
commit f73a434177
Notes: github-actions[bot] 2024-11-14 10:53:26 +00:00 
Author: https://github.com/gmta
Commit: https://github.com/LadybirdBrowser/ladybird/commit/f73a434177a
Pull-request: https://github.com/LadybirdBrowser/ladybird/pull/2331
1 changed files with 19 additions and 29 deletions
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48
Libraries/LibWeb/Crypto/CryptoAlgorithms.cpp
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@ -34,6 +34,17 @@
namespace Web::Crypto {
static JS::ThrowCompletionOr<HashAlgorithmIdentifier> hash_algorithm_identifier_from_value(JS::VM& vm, JS::Value hash_value)
{
if (hash_value.is_string()) {
auto hash_string = TRY(hash_value.to_string(vm));
return HashAlgorithmIdentifier { hash_string };
}
auto hash_object = TRY(hash_value.to_object(vm));
return HashAlgorithmIdentifier { hash_object };
}
// https://w3c.github.io/webcrypto/#concept-usage-intersection
static Vector<Bindings::KeyUsage> usage_intersection(ReadonlySpan<Bindings::KeyUsage> a, ReadonlySpan<Bindings::KeyUsage> b)
{
@ -337,7 +348,7 @@ JS::ThrowCompletionOr<NonnullOwnPtr<AlgorithmParams>> HKDFParams::from_value(JS:
auto name = TRY(name_value.to_string(vm));
auto hash_value = TRY(object.get("hash"));
auto hash = TRY(hash_value.to_string(vm));
auto hash = TRY(hash_algorithm_identifier_from_value(vm, hash_value));
auto salt_value = TRY(object.get("salt"));
if (!salt_value.is_object() || !(is<JS::TypedArrayBase>(salt_value.as_object()) || is<JS::ArrayBuffer>(salt_value.as_object()) || is<JS::DataView>(salt_value.as_object())))
@ -372,7 +383,7 @@ JS::ThrowCompletionOr<NonnullOwnPtr<AlgorithmParams>> PBKDF2Params::from_value(J
auto iterations = TRY(iterations_value.to_u32(vm));
auto hash_value = TRY(object.get("hash"));
auto hash = TRY(hash_value.to_string(vm));
auto hash = TRY(hash_algorithm_identifier_from_value(vm, hash_value));
return adopt_own<AlgorithmParams>(*new PBKDF2Params { name, salt, iterations, hash });
}
@ -421,16 +432,9 @@ JS::ThrowCompletionOr<NonnullOwnPtr<AlgorithmParams>> RsaHashedKeyGenParams::fro
public_exponent = static_cast<JS::Uint8Array&>(public_exponent_value.as_object());
auto hash_value = TRY(object.get("hash"));
auto hash = Variant<Empty, HashAlgorithmIdentifier> { Empty {} };
if (hash_value.is_string()) {
auto hash_string = TRY(hash_value.to_string(vm));
hash = HashAlgorithmIdentifier { hash_string };
} else {
auto hash_object = TRY(hash_value.to_object(vm));
hash = HashAlgorithmIdentifier { hash_object };
}
auto hash = TRY(hash_algorithm_identifier_from_value(vm, hash_value));
return adopt_own<AlgorithmParams>(*new RsaHashedKeyGenParams { name, modulus_length, big_integer_from_api_big_integer(public_exponent), hash.get<HashAlgorithmIdentifier>() });
return adopt_own<AlgorithmParams>(*new RsaHashedKeyGenParams { name, modulus_length, big_integer_from_api_big_integer(public_exponent), hash });
}
RsaHashedImportParams::~RsaHashedImportParams() = default;
@ -443,16 +447,9 @@ JS::ThrowCompletionOr<NonnullOwnPtr<AlgorithmParams>> RsaHashedImportParams::fro
auto name = TRY(name_value.to_string(vm));
auto hash_value = TRY(object.get("hash"));
auto hash = Variant<Empty, HashAlgorithmIdentifier> { Empty {} };
if (hash_value.is_string()) {
auto hash_string = TRY(hash_value.to_string(vm));
hash = HashAlgorithmIdentifier { hash_string };
} else {
auto hash_object = TRY(hash_value.to_object(vm));
hash = HashAlgorithmIdentifier { hash_object };
}
auto hash = TRY(hash_algorithm_identifier_from_value(vm, hash_value));
return adopt_own<AlgorithmParams>(*new RsaHashedImportParams { name, hash.get<HashAlgorithmIdentifier>() });
return adopt_own<AlgorithmParams>(*new RsaHashedImportParams { name, hash });
}
RsaOaepParams::~RsaOaepParams() = default;
@ -487,16 +484,9 @@ JS::ThrowCompletionOr<NonnullOwnPtr<AlgorithmParams>> EcdsaParams::from_value(JS
auto name = TRY(name_value.to_string(vm));
auto hash_value = TRY(object.get("hash"));
auto hash = Variant<Empty, HashAlgorithmIdentifier> { Empty {} };
if (hash_value.is_string()) {
auto hash_string = TRY(hash_value.to_string(vm));
hash = HashAlgorithmIdentifier { hash_string };
} else {
auto hash_object = TRY(hash_value.to_object(vm));
hash = HashAlgorithmIdentifier { hash_object };
}
auto hash = TRY(hash_algorithm_identifier_from_value(vm, hash_value));
return adopt_own<AlgorithmParams>(*new EcdsaParams { name, hash.get<HashAlgorithmIdentifier>() });
return adopt_own<AlgorithmParams>(*new EcdsaParams { name, hash });
}
EcKeyGenParams::~EcKeyGenParams() = default;