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Bug 1001691 - Make GenerateAsymmetricKeyTask::mKeyPair a UniquePtr so that we can explicitly release it on the main thread r=mt

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This commit is contained in:
Tim Taubert
2015-09-21 14:52:40 +02:00
parent 9cf7b7b76d
commit 2e010e857c
3 changed files with 49 additions and 39 deletions
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79
dom/crypto/WebCryptoTask.cpp
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@@ -2256,6 +2256,7 @@ private:
GenerateAsymmetricKeyTask::GenerateAsymmetricKeyTask(
JSContext* aCx, const ObjectOrString& aAlgorithm, bool aExtractable,
const Sequence<nsString>& aKeyUsages)
: mKeyPair(new CryptoKeyPair())
{
nsIGlobalObject* global = xpc::NativeGlobal(JS::CurrentGlobalOrNull(aCx));
if (!global) {
@@ -2269,9 +2270,9 @@ GenerateAsymmetricKeyTask::GenerateAsymmetricKeyTask(
return;
}
// Create an empty key and set easy attributes
mKeyPair.mPrivateKey = new CryptoKey(global);
mKeyPair.mPublicKey = new CryptoKey(global);
// Create an empty key pair and set easy attributes
mKeyPair->mPrivateKey = new CryptoKey(global);
mKeyPair->mPublicKey = new CryptoKey(global);
// Extract algorithm name
mEarlyRv = GetAlgorithmName(aCx, aAlgorithm, mAlgName);
@@ -2303,20 +2304,20 @@ GenerateAsymmetricKeyTask::GenerateAsymmetricKeyTask(
}
// Create algorithm
if (!mKeyPair.mPublicKey.get()->Algorithm().MakeRsa(mAlgName,
modulusLength,
publicExponent,
hashName)) {
mEarlyRv = NS_ERROR_DOM_OPERATION_ERR;
return;
}
if (!mKeyPair.mPrivateKey.get()->Algorithm().MakeRsa(mAlgName,
if (!mKeyPair->mPublicKey.get()->Algorithm().MakeRsa(mAlgName,
modulusLength,
publicExponent,
hashName)) {
mEarlyRv = NS_ERROR_DOM_OPERATION_ERR;
return;
}
if (!mKeyPair->mPrivateKey.get()->Algorithm().MakeRsa(mAlgName,
modulusLength,
publicExponent,
hashName)) {
mEarlyRv = NS_ERROR_DOM_OPERATION_ERR;
return;
}
mMechanism = CKM_RSA_PKCS_KEY_PAIR_GEN;
// Set up params struct
@@ -2341,8 +2342,8 @@ GenerateAsymmetricKeyTask::GenerateAsymmetricKeyTask(
}
// Create algorithm.
mKeyPair.mPublicKey.get()->Algorithm().MakeEc(mAlgName, mNamedCurve);
mKeyPair.mPrivateKey.get()->Algorithm().MakeEc(mAlgName, mNamedCurve);
mKeyPair->mPublicKey.get()->Algorithm().MakeEc(mAlgName, mNamedCurve);
mKeyPair->mPrivateKey.get()->Algorithm().MakeEc(mAlgName, mNamedCurve);
mMechanism = CKM_EC_KEY_PAIR_GEN;
} else if (mAlgName.EqualsLiteral(WEBCRYPTO_ALG_DH)) {
RootedDictionary<DhKeyGenParams> params(aCx);
@@ -2366,15 +2367,15 @@ GenerateAsymmetricKeyTask::GenerateAsymmetricKeyTask(
}
// Create algorithm.
if (!mKeyPair.mPublicKey.get()->Algorithm().MakeDh(mAlgName,
prime,
generator)) {
if (!mKeyPair->mPublicKey.get()->Algorithm().MakeDh(mAlgName,
prime,
generator)) {
mEarlyRv = NS_ERROR_DOM_OPERATION_ERR;
return;
}
if (!mKeyPair.mPrivateKey.get()->Algorithm().MakeDh(mAlgName,
prime,
generator)) {
if (!mKeyPair->mPrivateKey.get()->Algorithm().MakeDh(mAlgName,
prime,
generator)) {
mEarlyRv = NS_ERROR_DOM_OPERATION_ERR;
return;
}
@@ -2398,31 +2399,31 @@ GenerateAsymmetricKeyTask::GenerateAsymmetricKeyTask(
publicAllowedUsages = 0;
}
mKeyPair.mPrivateKey.get()->SetExtractable(aExtractable);
mKeyPair.mPrivateKey.get()->SetType(CryptoKey::PRIVATE);
mKeyPair->mPrivateKey.get()->SetExtractable(aExtractable);
mKeyPair->mPrivateKey.get()->SetType(CryptoKey::PRIVATE);
mKeyPair.mPublicKey.get()->SetExtractable(true);
mKeyPair.mPublicKey.get()->SetType(CryptoKey::PUBLIC);
mKeyPair->mPublicKey.get()->SetExtractable(true);
mKeyPair->mPublicKey.get()->SetType(CryptoKey::PUBLIC);
mKeyPair.mPrivateKey.get()->ClearUsages();
mKeyPair.mPublicKey.get()->ClearUsages();
mKeyPair->mPrivateKey.get()->ClearUsages();
mKeyPair->mPublicKey.get()->ClearUsages();
for (uint32_t i=0; i < aKeyUsages.Length(); ++i) {
mEarlyRv = mKeyPair.mPrivateKey.get()->AddUsageIntersecting(aKeyUsages[i],
privateAllowedUsages);
mEarlyRv = mKeyPair->mPrivateKey.get()->AddUsageIntersecting(aKeyUsages[i],
privateAllowedUsages);
if (NS_FAILED(mEarlyRv)) {
return;
}
mEarlyRv = mKeyPair.mPublicKey.get()->AddUsageIntersecting(aKeyUsages[i],
publicAllowedUsages);
mEarlyRv = mKeyPair->mPublicKey.get()->AddUsageIntersecting(aKeyUsages[i],
publicAllowedUsages);
if (NS_FAILED(mEarlyRv)) {
return;
}
}
// If no usages ended up being allowed, DataError
if (!mKeyPair.mPublicKey.get()->HasAnyUsage() &&
!mKeyPair.mPrivateKey.get()->HasAnyUsage()) {
if (!mKeyPair->mPublicKey.get()->HasAnyUsage() &&
!mKeyPair->mPrivateKey.get()->HasAnyUsage()) {
mEarlyRv = NS_ERROR_DOM_DATA_ERR;
return;
}
@@ -2438,6 +2439,8 @@ GenerateAsymmetricKeyTask::ReleaseNSSResources()
nsresult
GenerateAsymmetricKeyTask::DoCrypto()
{
MOZ_ASSERT(mKeyPair);
ScopedPK11SlotInfo slot(PK11_GetInternalSlot());
MOZ_ASSERT(slot.get());
@@ -2468,15 +2471,15 @@ GenerateAsymmetricKeyTask::DoCrypto()
return NS_ERROR_DOM_UNKNOWN_ERR;
}
nsresult rv = mKeyPair.mPrivateKey.get()->SetPrivateKey(mPrivateKey);
nsresult rv = mKeyPair->mPrivateKey.get()->SetPrivateKey(mPrivateKey);
NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_OPERATION_ERR);
rv = mKeyPair.mPublicKey.get()->SetPublicKey(mPublicKey);
rv = mKeyPair->mPublicKey.get()->SetPublicKey(mPublicKey);
NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_OPERATION_ERR);
// PK11_GenerateKeyPair() does not set a CKA_EC_POINT attribute on the
// private key, we need this later when exporting to PKCS8 and JWK though.
if (mMechanism == CKM_EC_KEY_PAIR_GEN) {
rv = mKeyPair.mPrivateKey->AddPublicKeyData(mPublicKey);
rv = mKeyPair->mPrivateKey->AddPublicKeyData(mPublicKey);
NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_OPERATION_ERR);
}
@@ -2486,7 +2489,13 @@ GenerateAsymmetricKeyTask::DoCrypto()
void
GenerateAsymmetricKeyTask::Resolve()
{
mResultPromise->MaybeResolve(mKeyPair);
mResultPromise->MaybeResolve(*mKeyPair);
}
void
GenerateAsymmetricKeyTask::Cleanup()
{
mKeyPair = nullptr;
}
class DerivePbkdfBitsTask : public ReturnArrayBufferViewTask