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LibWeb: Make SubtleCrypto AlgorithmParams classes virtual

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This allows us to properly destroy the child classes through a pointer
to the base class, avoiding ASAN/UBSAN errors.
This commit is contained in:
Andrew Kaster 2024-03-13 21:26:00 -06:00 • committed by Andrew Kaster
parent 1d70306c41
commit 0a3d27c41d
2 changed files with 44 additions and 4 deletions
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32
Userland/Libraries/LibWeb/Crypto/CryptoAlgorithms.h
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@ -25,6 +25,12 @@ using KeyDataType = Variant<JS::Handle<WebIDL::BufferSource>, Bindings::JsonWebK
// https://w3c.github.io/webcrypto/#algorithm-overview
struct AlgorithmParams {
virtual ~AlgorithmParams();
explicit AlgorithmParams(String name)
: name(move(name))
{
}
String name;
static JS::ThrowCompletionOr<NonnullOwnPtr<AlgorithmParams>> from_value(JS::VM&, JS::Value);
@ -32,6 +38,15 @@ struct AlgorithmParams {
// https://w3c.github.io/webcrypto/#pbkdf2-params
struct PBKDF2Params : public AlgorithmParams {
virtual ~PBKDF2Params() override;
PBKDF2Params(String name, JS::Handle<WebIDL::BufferSource> salt, u32 iterations, HashAlgorithmIdentifier hash)
: AlgorithmParams(move(name))
, salt(move(salt))
, iterations(iterations)
, hash(move(hash))
{
}
JS::Handle<WebIDL::BufferSource> salt;
u32 iterations;
HashAlgorithmIdentifier hash;
@ -41,6 +56,15 @@ struct PBKDF2Params : public AlgorithmParams {
// https://w3c.github.io/webcrypto/#dfn-RsaKeyGenParams
struct RsaKeyGenParams : public AlgorithmParams {
virtual ~RsaKeyGenParams() override;
RsaKeyGenParams(String name, u32 modulus_length, ::Crypto::UnsignedBigInteger public_exponent)
: AlgorithmParams(move(name))
, modulus_length(modulus_length)
, public_exponent(move(public_exponent))
{
}
u32 modulus_length;
// NOTE that the raw data is going to be in Big Endian u8[] format
::Crypto::UnsignedBigInteger public_exponent;
@ -50,6 +74,14 @@ struct RsaKeyGenParams : public AlgorithmParams {
// https://w3c.github.io/webcrypto/#dfn-RsaHashedKeyGenParams
struct RsaHashedKeyGenParams : public RsaKeyGenParams {
virtual ~RsaHashedKeyGenParams() override;
RsaHashedKeyGenParams(String name, u32 modulus_length, ::Crypto::UnsignedBigInteger public_exponent, HashAlgorithmIdentifier hash)
: RsaKeyGenParams(move(name), modulus_length, move(public_exponent))
, hash(move(hash))
{
}
HashAlgorithmIdentifier hash;
static JS::ThrowCompletionOr<NonnullOwnPtr<AlgorithmParams>> from_value(JS::VM&, JS::Value);