Ejemplo n.º 1
0
ExceptionOr<int> CSSStyleSheet::addRule(const String& selector, const String& style, std::optional<unsigned> index)
{
    StringBuilder text;
    text.append(selector);
    text.appendLiteral(" { ");
    text.append(style);
    if (!style.isEmpty())
        text.append(' ');
    text.append('}');
    auto insertRuleResult = insertRule(text.toString(), index.value_or(length()));
    if (insertRuleResult.hasException())
        return insertRuleResult.releaseException();
    
    // As per Microsoft documentation, always return -1.
    return -1;
}
Ejemplo n.º 2
0
RefPtr<CryptoKeyRSA> CryptoKeyRSA::importJwk(CryptoAlgorithmIdentifier algorithm, std::optional<CryptoAlgorithmIdentifier> hash, JsonWebKey&& keyData, bool extractable, CryptoKeyUsageBitmap usages)
{
    if (keyData.kty != "RSA")
        return nullptr;
    if (keyData.usages && ((keyData.usages & usages) != usages))
        return nullptr;
    if (keyData.ext && !keyData.ext.value() && extractable)
        return nullptr;

    if (!keyData.n || !keyData.e)
        return nullptr;
    Vector<uint8_t> modulus;
    if (!WTF::base64URLDecode(keyData.n.value(), modulus))
        return nullptr;
    // Per RFC 7518 Section 6.3.1.1: https://tools.ietf.org/html/rfc7518#section-6.3.1.1
    if (!modulus[0])
        modulus.remove(0);
    Vector<uint8_t> exponent;
    if (!WTF::base64URLDecode(keyData.e.value(), exponent))
        return nullptr;
    if (!keyData.d) {
        // import public key
        auto publicKeyComponents = CryptoKeyDataRSAComponents::createPublic(WTFMove(modulus), WTFMove(exponent));
        // Notice: CryptoAlgorithmIdentifier::SHA_1 is just a placeholder. It should not have any effect if hash is std::nullopt.
        return CryptoKeyRSA::create(algorithm, hash.value_or(CryptoAlgorithmIdentifier::SHA_1), !!hash, *publicKeyComponents, extractable, usages);
    }

    // import private key
    Vector<uint8_t> privateExponent;
    if (!WTF::base64URLDecode(keyData.d.value(), privateExponent))
        return nullptr;
    if (!keyData.p && !keyData.q && !keyData.dp && !keyData.dp && !keyData.qi) {
        auto privateKeyComponents = CryptoKeyDataRSAComponents::createPrivate(WTFMove(modulus), WTFMove(exponent), WTFMove(privateExponent));
        // Notice: CryptoAlgorithmIdentifier::SHA_1 is just a placeholder. It should not have any effect if hash is std::nullopt.
        return CryptoKeyRSA::create(algorithm, hash.value_or(CryptoAlgorithmIdentifier::SHA_1), !!hash, *privateKeyComponents, extractable, usages);
    }

    if (!keyData.p || !keyData.q || !keyData.dp || !keyData.dq || !keyData.qi)
        return nullptr;
    CryptoKeyDataRSAComponents::PrimeInfo firstPrimeInfo;
    CryptoKeyDataRSAComponents::PrimeInfo secondPrimeInfo;
    if (!WTF::base64URLDecode(keyData.p.value(), firstPrimeInfo.primeFactor))
        return nullptr;
    if (!WTF::base64URLDecode(keyData.dp.value(), firstPrimeInfo.factorCRTExponent))
        return nullptr;
    if (!WTF::base64URLDecode(keyData.q.value(), secondPrimeInfo.primeFactor))
        return nullptr;
    if (!WTF::base64URLDecode(keyData.dq.value(), secondPrimeInfo.factorCRTExponent))
        return nullptr;
    if (!WTF::base64URLDecode(keyData.qi.value(), secondPrimeInfo.factorCRTCoefficient))
        return nullptr;
    if (!keyData.oth) {
        auto privateKeyComponents = CryptoKeyDataRSAComponents::createPrivateWithAdditionalData(WTFMove(modulus), WTFMove(exponent), WTFMove(privateExponent), WTFMove(firstPrimeInfo), WTFMove(secondPrimeInfo), { });
        // Notice: CryptoAlgorithmIdentifier::SHA_1 is just a placeholder. It should not have any effect if hash is std::nullopt.
        return CryptoKeyRSA::create(algorithm, hash.value_or(CryptoAlgorithmIdentifier::SHA_1), !!hash, *privateKeyComponents, extractable, usages);
    }

    Vector<CryptoKeyDataRSAComponents::PrimeInfo> otherPrimeInfos;
    for (auto value : keyData.oth.value()) {
        CryptoKeyDataRSAComponents::PrimeInfo info;
        if (!WTF::base64URLDecode(value.r, info.primeFactor))
            return nullptr;
        if (!WTF::base64URLDecode(value.d, info.factorCRTExponent))
            return nullptr;
        if (!WTF::base64URLDecode(value.t, info.factorCRTCoefficient))
            return nullptr;
        otherPrimeInfos.append(info);
    }

    auto privateKeyComponents = CryptoKeyDataRSAComponents::createPrivateWithAdditionalData(WTFMove(modulus), WTFMove(exponent), WTFMove(privateExponent), WTFMove(firstPrimeInfo), WTFMove(secondPrimeInfo), WTFMove(otherPrimeInfos));
    // Notice: CryptoAlgorithmIdentifier::SHA_1 is just a placeholder. It should not have any effect if hash is std::nullopt.
    return CryptoKeyRSA::create(algorithm, hash.value_or(CryptoAlgorithmIdentifier::SHA_1), !!hash, *privateKeyComponents, extractable, usages);
}