Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 258 insertions, 0 deletions

diff --git a/dom/crypto/KeyAlgorithmProxy.cpp b/dom/crypto/KeyAlgorithmProxy.cpp
new file mode 100644
index 0000000000..ab8ea527b6
--- /dev/null
+++ b/dom/crypto/KeyAlgorithmProxy.cpp
@@ -0,0 +1,258 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "mozilla/dom/KeyAlgorithmProxy.h"
+
+#include "js/StructuredClone.h"
+#include "mozilla/Assertions.h"
+#include "mozilla/dom/StructuredCloneHolder.h"
+#include "mozilla/dom/WebCryptoCommon.h"
+
+namespace mozilla::dom {
+
+bool KeyAlgorithmProxy::WriteStructuredClone(
+    JSStructuredCloneWriter* aWriter) const {
+  if (!StructuredCloneHolder::WriteString(aWriter, mName) ||
+      !JS_WriteUint32Pair(aWriter, mType, KEY_ALGORITHM_SC_VERSION)) {
+    return false;
+  }
+
+  switch (mType) {
+    case AES:
+      return JS_WriteUint32Pair(aWriter, mAes.mLength, 0);
+    case HMAC:
+      return JS_WriteUint32Pair(aWriter, mHmac.mLength, 0) &&
+             StructuredCloneHolder::WriteString(aWriter, mHmac.mHash.mName);
+    case RSA: {
+      return JS_WriteUint32Pair(aWriter, mRsa.mModulusLength, 0) &&
+             WriteBuffer(aWriter, mRsa.mPublicExponent) &&
+             StructuredCloneHolder::WriteString(aWriter, mRsa.mHash.mName);
+    }
+    case EC:
+      return StructuredCloneHolder::WriteString(aWriter, mEc.mNamedCurve);
+  }
+
+  return false;
+}
+
+bool KeyAlgorithmProxy::ReadStructuredClone(JSStructuredCloneReader* aReader) {
+  uint32_t type, version, dummy;
+  if (!StructuredCloneHolder::ReadString(aReader, mName) ||
+      !JS_ReadUint32Pair(aReader, &type, &version)) {
+    return false;
+  }
+
+  if (version != KEY_ALGORITHM_SC_VERSION) {
+    return false;
+  }
+
+  switch (type) {
+    case AES: {
+      mType = AES;
+
+      uint32_t length;
+      if (!JS_ReadUint32Pair(aReader, &length, &dummy)) {
+        return false;
+      }
+
+      mAes.mLength = length;
+      mAes.mName = mName;
+      return true;
+    }
+    case HMAC: {
+      mType = HMAC;
+
+      if (!JS_ReadUint32Pair(aReader, &mHmac.mLength, &dummy) ||
+          !StructuredCloneHolder::ReadString(aReader, mHmac.mHash.mName)) {
+        return false;
+      }
+
+      mHmac.mName = mName;
+      return true;
+    }
+    case RSA: {
+      mType = RSA;
+
+      uint32_t modulusLength;
+      nsString hashName;
+      if (!JS_ReadUint32Pair(aReader, &modulusLength, &dummy) ||
+          !ReadBuffer(aReader, mRsa.mPublicExponent) ||
+          !StructuredCloneHolder::ReadString(aReader, mRsa.mHash.mName)) {
+        return false;
+      }
+
+      mRsa.mModulusLength = modulusLength;
+      mRsa.mName = mName;
+      return true;
+    }
+    case EC: {
+      mType = EC;
+
+      nsString namedCurve;
+      if (!StructuredCloneHolder::ReadString(aReader, mEc.mNamedCurve)) {
+        return false;
+      }
+
+      mEc.mName = mName;
+      return true;
+    }
+  }
+
+  return false;
+}
+
+CK_MECHANISM_TYPE
+KeyAlgorithmProxy::Mechanism() const {
+  if (mType == HMAC) {
+    return GetMechanism(mHmac);
+  }
+  return MapAlgorithmNameToMechanism(mName);
+}
+
+nsString KeyAlgorithmProxy::JwkAlg() const {
+  if (mName.EqualsLiteral(WEBCRYPTO_ALG_AES_CBC)) {
+    switch (mAes.mLength) {
+      case 128:
+        return NS_LITERAL_STRING_FROM_CSTRING(JWK_ALG_A128CBC);
+      case 192:
+        return NS_LITERAL_STRING_FROM_CSTRING(JWK_ALG_A192CBC);
+      case 256:
+        return NS_LITERAL_STRING_FROM_CSTRING(JWK_ALG_A256CBC);
+    }
+  }
+
+  if (mName.EqualsLiteral(WEBCRYPTO_ALG_AES_CTR)) {
+    switch (mAes.mLength) {
+      case 128:
+        return NS_LITERAL_STRING_FROM_CSTRING(JWK_ALG_A128CTR);
+      case 192:
+        return NS_LITERAL_STRING_FROM_CSTRING(JWK_ALG_A192CTR);
+      case 256:
+        return NS_LITERAL_STRING_FROM_CSTRING(JWK_ALG_A256CTR);
+    }
+  }
+
+  if (mName.EqualsLiteral(WEBCRYPTO_ALG_AES_GCM)) {
+    switch (mAes.mLength) {
+      case 128:
+        return NS_LITERAL_STRING_FROM_CSTRING(JWK_ALG_A128GCM);
+      case 192:
+        return NS_LITERAL_STRING_FROM_CSTRING(JWK_ALG_A192GCM);
+      case 256:
+        return NS_LITERAL_STRING_FROM_CSTRING(JWK_ALG_A256GCM);
+    }
+  }
+
+  if (mName.EqualsLiteral(WEBCRYPTO_ALG_AES_KW)) {
+    switch (mAes.mLength) {
+      case 128:
+        return NS_LITERAL_STRING_FROM_CSTRING(JWK_ALG_A128KW);
+      case 192:
+        return NS_LITERAL_STRING_FROM_CSTRING(JWK_ALG_A192KW);
+      case 256:
+        return NS_LITERAL_STRING_FROM_CSTRING(JWK_ALG_A256KW);
+    }
+  }
+
+  if (mName.EqualsLiteral(WEBCRYPTO_ALG_HMAC)) {
+    nsString hashName = mHmac.mHash.mName;
+    if (hashName.EqualsLiteral(WEBCRYPTO_ALG_SHA1)) {
+      return NS_LITERAL_STRING_FROM_CSTRING(JWK_ALG_HS1);
+    } else if (hashName.EqualsLiteral(WEBCRYPTO_ALG_SHA256)) {
+      return NS_LITERAL_STRING_FROM_CSTRING(JWK_ALG_HS256);
+    } else if (hashName.EqualsLiteral(WEBCRYPTO_ALG_SHA384)) {
+      return NS_LITERAL_STRING_FROM_CSTRING(JWK_ALG_HS384);
+    } else if (hashName.EqualsLiteral(WEBCRYPTO_ALG_SHA512)) {
+      return NS_LITERAL_STRING_FROM_CSTRING(JWK_ALG_HS512);
+    }
+  }
+
+  if (mName.EqualsLiteral(WEBCRYPTO_ALG_RSASSA_PKCS1)) {
+    nsString hashName = mRsa.mHash.mName;
+    if (hashName.EqualsLiteral(WEBCRYPTO_ALG_SHA1)) {
+      return NS_LITERAL_STRING_FROM_CSTRING(JWK_ALG_RS1);
+    } else if (hashName.EqualsLiteral(WEBCRYPTO_ALG_SHA256)) {
+      return NS_LITERAL_STRING_FROM_CSTRING(JWK_ALG_RS256);
+    } else if (hashName.EqualsLiteral(WEBCRYPTO_ALG_SHA384)) {
+      return NS_LITERAL_STRING_FROM_CSTRING(JWK_ALG_RS384);
+    } else if (hashName.EqualsLiteral(WEBCRYPTO_ALG_SHA512)) {
+      return NS_LITERAL_STRING_FROM_CSTRING(JWK_ALG_RS512);
+    }
+  }
+
+  if (mName.EqualsLiteral(WEBCRYPTO_ALG_RSA_OAEP)) {
+    nsString hashName = mRsa.mHash.mName;
+    if (hashName.EqualsLiteral(WEBCRYPTO_ALG_SHA1)) {
+      return NS_LITERAL_STRING_FROM_CSTRING(JWK_ALG_RSA_OAEP);
+    } else if (hashName.EqualsLiteral(WEBCRYPTO_ALG_SHA256)) {
+      return NS_LITERAL_STRING_FROM_CSTRING(JWK_ALG_RSA_OAEP_256);
+    } else if (hashName.EqualsLiteral(WEBCRYPTO_ALG_SHA384)) {
+      return NS_LITERAL_STRING_FROM_CSTRING(JWK_ALG_RSA_OAEP_384);
+    } else if (hashName.EqualsLiteral(WEBCRYPTO_ALG_SHA512)) {
+      return NS_LITERAL_STRING_FROM_CSTRING(JWK_ALG_RSA_OAEP_512);
+    }
+  }
+
+  if (mName.EqualsLiteral(WEBCRYPTO_ALG_RSA_PSS)) {
+    nsString hashName = mRsa.mHash.mName;
+    if (hashName.EqualsLiteral(WEBCRYPTO_ALG_SHA1)) {
+      return NS_LITERAL_STRING_FROM_CSTRING(JWK_ALG_PS1);
+    } else if (hashName.EqualsLiteral(WEBCRYPTO_ALG_SHA256)) {
+      return NS_LITERAL_STRING_FROM_CSTRING(JWK_ALG_PS256);
+    } else if (hashName.EqualsLiteral(WEBCRYPTO_ALG_SHA384)) {
+      return NS_LITERAL_STRING_FROM_CSTRING(JWK_ALG_PS384);
+    } else if (hashName.EqualsLiteral(WEBCRYPTO_ALG_SHA512)) {
+      return NS_LITERAL_STRING_FROM_CSTRING(JWK_ALG_PS512);
+    }
+  }
+
+  if (mName.EqualsLiteral(WEBCRYPTO_ALG_ECDSA)) {
+    nsString curveName = mEc.mNamedCurve;
+    if (curveName.EqualsLiteral(WEBCRYPTO_NAMED_CURVE_P256)) {
+      return NS_LITERAL_STRING_FROM_CSTRING(JWK_ALG_ECDSA_P_256);
+    }
+    if (curveName.EqualsLiteral(WEBCRYPTO_NAMED_CURVE_P384)) {
+      return NS_LITERAL_STRING_FROM_CSTRING(JWK_ALG_ECDSA_P_384);
+    }
+    if (curveName.EqualsLiteral(WEBCRYPTO_NAMED_CURVE_P521)) {
+      return NS_LITERAL_STRING_FROM_CSTRING(JWK_ALG_ECDSA_P_521);
+    }
+  }
+
+  return nsString();
+}
+
+CK_MECHANISM_TYPE
+KeyAlgorithmProxy::GetMechanism(const KeyAlgorithm& aAlgorithm) {
+  // For everything but HMAC, the name determines the mechanism
+  // HMAC is handled by the specialization below
+  return MapAlgorithmNameToMechanism(aAlgorithm.mName);
+}
+
+CK_MECHANISM_TYPE
+KeyAlgorithmProxy::GetMechanism(const HmacKeyAlgorithm& aAlgorithm) {
+  // The use of HmacKeyAlgorithm doesn't completely prevent this
+  // method from being called with dictionaries that don't really
+  // represent HMAC key algorithms.
+  MOZ_ASSERT(aAlgorithm.mName.EqualsLiteral(WEBCRYPTO_ALG_HMAC));
+
+  CK_MECHANISM_TYPE hashMech;
+  hashMech = MapAlgorithmNameToMechanism(aAlgorithm.mHash.mName);
+
+  switch (hashMech) {
+    case CKM_SHA_1:
+      return CKM_SHA_1_HMAC;
+    case CKM_SHA256:
+      return CKM_SHA256_HMAC;
+    case CKM_SHA384:
+      return CKM_SHA384_HMAC;
+    case CKM_SHA512:
+      return CKM_SHA512_HMAC;
+  }
+  return UNKNOWN_CK_MECHANISM;
+}
+
+}  // namespace mozilla::dom