Add Web Crypto API (#1384)

* Add Web Crypto API

* Duplicate symbols

* Update c_cpp_properties.json

Co-authored-by: Jarred Sumner <709451+Jarred-Sumner@users.noreply.github.com>

1 files changed, 202 insertions, 0 deletions

diff --git a/src/bun.js/bindings/webcrypto/CryptoAlgorithmHMAC.cpp b/src/bun.js/bindings/webcrypto/CryptoAlgorithmHMAC.cpp
new file mode 100644
index 000000000..58eaf1b0d
--- /dev/null
+++ b/src/bun.js/bindings/webcrypto/CryptoAlgorithmHMAC.cpp
@@ -0,0 +1,202 @@
+/*
+ * Copyright (C) 2013 Apple Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
+ * THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "config.h"
+#include "CryptoAlgorithmHMAC.h"
+
+#if ENABLE(WEB_CRYPTO)
+
+#include "CryptoAlgorithmHmacKeyParams.h"
+#include "CryptoKeyHMAC.h"
+#include <variant>
+
+namespace WebCore {
+
+namespace CryptoAlgorithmHMACInternal {
+static constexpr auto ALG1 = "HS1"_s;
+static constexpr auto ALG224 = "HS224"_s;
+static constexpr auto ALG256 = "HS256"_s;
+static constexpr auto ALG384 = "HS384"_s;
+static constexpr auto ALG512 = "HS512"_s;
+}
+
+static inline bool usagesAreInvalidForCryptoAlgorithmHMAC(CryptoKeyUsageBitmap usages)
+{
+    return usages & (CryptoKeyUsageEncrypt | CryptoKeyUsageDecrypt | CryptoKeyUsageDeriveKey | CryptoKeyUsageDeriveBits | CryptoKeyUsageWrapKey | CryptoKeyUsageUnwrapKey);
+}
+
+Ref<CryptoAlgorithm> CryptoAlgorithmHMAC::create()
+{
+    return adoptRef(*new CryptoAlgorithmHMAC);
+}
+
+CryptoAlgorithmIdentifier CryptoAlgorithmHMAC::identifier() const
+{
+    return s_identifier;
+}
+
+void CryptoAlgorithmHMAC::sign(const CryptoAlgorithmParameters&, Ref<CryptoKey>&& key, Vector<uint8_t>&& data, VectorCallback&& callback, ExceptionCallback&& exceptionCallback, ScriptExecutionContext& context, WorkQueue& workQueue)
+{
+    dispatchOperationInWorkQueue(workQueue, context, WTFMove(callback), WTFMove(exceptionCallback),
+        [key = WTFMove(key), data = WTFMove(data)] {
+            return platformSign(downcast<CryptoKeyHMAC>(key.get()), data);
+        });
+}
+
+void CryptoAlgorithmHMAC::verify(const CryptoAlgorithmParameters&, Ref<CryptoKey>&& key, Vector<uint8_t>&& signature, Vector<uint8_t>&& data, BoolCallback&& callback, ExceptionCallback&& exceptionCallback, ScriptExecutionContext& context, WorkQueue& workQueue)
+{
+    dispatchOperationInWorkQueue(workQueue, context, WTFMove(callback), WTFMove(exceptionCallback),
+        [key = WTFMove(key), signature = WTFMove(signature), data = WTFMove(data)] {
+            return platformVerify(downcast<CryptoKeyHMAC>(key.get()), signature, data);
+        });
+}
+
+void CryptoAlgorithmHMAC::generateKey(const CryptoAlgorithmParameters& parameters, bool extractable, CryptoKeyUsageBitmap usages, KeyOrKeyPairCallback&& callback, ExceptionCallback&& exceptionCallback, ScriptExecutionContext&)
+{
+    const auto& hmacParameters = downcast<CryptoAlgorithmHmacKeyParams>(parameters);
+
+    if (usagesAreInvalidForCryptoAlgorithmHMAC(usages)) {
+        exceptionCallback(SyntaxError);
+        return;
+    }
+
+    if (hmacParameters.length && !hmacParameters.length.value()) {
+        exceptionCallback(OperationError);
+        return;
+    }
+
+    auto result = CryptoKeyHMAC::generate(hmacParameters.length.value_or(0), hmacParameters.hashIdentifier, extractable, usages);
+    if (!result) {
+        exceptionCallback(OperationError);
+        return;
+    }
+
+    callback(WTFMove(result));
+}
+
+void CryptoAlgorithmHMAC::importKey(CryptoKeyFormat format, KeyData&& data, const CryptoAlgorithmParameters& parameters, bool extractable, CryptoKeyUsageBitmap usages, KeyCallback&& callback, ExceptionCallback&& exceptionCallback)
+{
+    using namespace CryptoAlgorithmHMACInternal;
+
+    const auto& hmacParameters = downcast<CryptoAlgorithmHmacKeyParams>(parameters);
+
+    if (usagesAreInvalidForCryptoAlgorithmHMAC(usages)) {
+        exceptionCallback(SyntaxError);
+        return;
+    }
+
+    RefPtr<CryptoKeyHMAC> result;
+    switch (format) {
+    case CryptoKeyFormat::Raw:
+        result = CryptoKeyHMAC::importRaw(hmacParameters.length.value_or(0), hmacParameters.hashIdentifier, WTFMove(std::get<Vector<uint8_t>>(data)), extractable, usages);
+        break;
+    case CryptoKeyFormat::Jwk: {
+        auto checkAlgCallback = [](CryptoAlgorithmIdentifier hash, const String& alg) -> bool {
+            switch (hash) {
+            case CryptoAlgorithmIdentifier::SHA_1:
+                return alg.isNull() || alg == ALG1;
+            case CryptoAlgorithmIdentifier::SHA_224:
+                return alg.isNull() || alg == ALG224;
+            case CryptoAlgorithmIdentifier::SHA_256:
+                return alg.isNull() || alg == ALG256;
+            case CryptoAlgorithmIdentifier::SHA_384:
+                return alg.isNull() || alg == ALG384;
+            case CryptoAlgorithmIdentifier::SHA_512:
+                return alg.isNull() || alg == ALG512;
+            default:
+                return false;
+            }
+            return false;
+        };
+        result = CryptoKeyHMAC::importJwk(hmacParameters.length.value_or(0), hmacParameters.hashIdentifier, WTFMove(std::get<JsonWebKey>(data)), extractable, usages, WTFMove(checkAlgCallback));
+        break;
+    }
+    default:
+        exceptionCallback(NotSupportedError);
+        return;
+    }
+    if (!result) {
+        exceptionCallback(DataError);
+        return;
+    }
+
+    callback(*result);
+}
+
+void CryptoAlgorithmHMAC::exportKey(CryptoKeyFormat format, Ref<CryptoKey>&& key, KeyDataCallback&& callback, ExceptionCallback&& exceptionCallback)
+{
+    using namespace CryptoAlgorithmHMACInternal;
+    const auto& hmacKey = downcast<CryptoKeyHMAC>(key.get());
+
+    if (hmacKey.key().isEmpty()) {
+        exceptionCallback(OperationError);
+        return;
+    }
+
+    KeyData result;
+    switch (format) {
+    case CryptoKeyFormat::Raw:
+        result = Vector<uint8_t>(hmacKey.key());
+        break;
+    case CryptoKeyFormat::Jwk: {
+        JsonWebKey jwk = hmacKey.exportJwk();
+        switch (hmacKey.hashAlgorithmIdentifier()) {
+        case CryptoAlgorithmIdentifier::SHA_1:
+            jwk.alg = String(ALG1);
+            break;
+        case CryptoAlgorithmIdentifier::SHA_224:
+            jwk.alg = String(ALG224);
+            break;
+        case CryptoAlgorithmIdentifier::SHA_256:
+            jwk.alg = String(ALG256);
+            break;
+        case CryptoAlgorithmIdentifier::SHA_384:
+            jwk.alg = String(ALG384);
+            break;
+        case CryptoAlgorithmIdentifier::SHA_512:
+            jwk.alg = String(ALG512);
+            break;
+        default:
+            ASSERT_NOT_REACHED();
+        }
+        result = WTFMove(jwk);
+        break;
+    }
+    default:
+        exceptionCallback(NotSupportedError);
+        return;
+    }
+
+    callback(format, WTFMove(result));
+}
+
+ExceptionOr<size_t> CryptoAlgorithmHMAC::getKeyLength(const CryptoAlgorithmParameters& parameters)
+{
+    return CryptoKeyHMAC::getKeyLength(parameters);
+}
+
+}
+
+#endif // ENABLE(WEB_CRYPTO)