gecko-dev/dom/base/SubtleCrypto.cpp

199 lines
7.0 KiB
C++

/* -*- 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/SubtleCrypto.h"
#include "mozilla/dom/Promise.h"
#include "mozilla/dom/SubtleCryptoBinding.h"
#include "mozilla/dom/WebCryptoTask.h"
#include "mozilla/Telemetry.h"
namespace mozilla {
namespace dom {
NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE(SubtleCrypto, mParent)
NS_IMPL_CYCLE_COLLECTING_ADDREF(SubtleCrypto)
NS_IMPL_CYCLE_COLLECTING_RELEASE(SubtleCrypto)
NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(SubtleCrypto)
NS_WRAPPERCACHE_INTERFACE_MAP_ENTRY
NS_INTERFACE_MAP_ENTRY(nsISupports)
NS_INTERFACE_MAP_END
SubtleCrypto::SubtleCrypto(nsIGlobalObject* aParent)
: mParent(aParent)
, mRecordedTelemetry(false)
{
}
JSObject*
SubtleCrypto::WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto)
{
return SubtleCryptoBinding::Wrap(aCx, this, aGivenProto);
}
void
SubtleCrypto::RecordTelemetryOnce() {
if (mRecordedTelemetry) {
return;
}
mRecordedTelemetry = true;
JSObject* global = mParent->GetGlobalJSObject();
bool isSecure = JS_GetIsSecureContext(js::GetObjectCompartment(global));
Telemetry::Accumulate(Telemetry::WEBCRYPTO_METHOD_SECURE, isSecure);
}
#define SUBTLECRYPTO_METHOD_BODY(Operation, aRv, ...) \
MOZ_ASSERT(mParent); \
RefPtr<Promise> p = Promise::Create(mParent, aRv); \
if (aRv.Failed()) { \
return nullptr; \
} \
RecordTelemetryOnce(); \
RefPtr<WebCryptoTask> task = \
WebCryptoTask::Create ## Operation ## Task(__VA_ARGS__); \
if (!task) { \
aRv.Throw(NS_ERROR_NULL_POINTER); \
return nullptr; \
} \
task->DispatchWithPromise(p); \
return p.forget();
already_AddRefed<Promise>
SubtleCrypto::Encrypt(JSContext* cx,
const ObjectOrString& algorithm,
CryptoKey& key,
const CryptoOperationData& data,
ErrorResult& aRv)
{
SUBTLECRYPTO_METHOD_BODY(Encrypt, aRv, cx, algorithm, key, data)
}
already_AddRefed<Promise>
SubtleCrypto::Decrypt(JSContext* cx,
const ObjectOrString& algorithm,
CryptoKey& key,
const CryptoOperationData& data,
ErrorResult& aRv)
{
SUBTLECRYPTO_METHOD_BODY(Decrypt, aRv, cx, algorithm, key, data)
}
already_AddRefed<Promise>
SubtleCrypto::Sign(JSContext* cx,
const ObjectOrString& algorithm,
CryptoKey& key,
const CryptoOperationData& data,
ErrorResult& aRv)
{
SUBTLECRYPTO_METHOD_BODY(Sign, aRv, cx, algorithm, key, data)
}
already_AddRefed<Promise>
SubtleCrypto::Verify(JSContext* cx,
const ObjectOrString& algorithm,
CryptoKey& key,
const CryptoOperationData& signature,
const CryptoOperationData& data,
ErrorResult& aRv)
{
SUBTLECRYPTO_METHOD_BODY(Verify, aRv, cx, algorithm, key, signature, data)
}
already_AddRefed<Promise>
SubtleCrypto::Digest(JSContext* cx,
const ObjectOrString& algorithm,
const CryptoOperationData& data,
ErrorResult& aRv)
{
SUBTLECRYPTO_METHOD_BODY(Digest, aRv, cx, algorithm, data)
}
already_AddRefed<Promise>
SubtleCrypto::ImportKey(JSContext* cx,
const nsAString& format,
JS::Handle<JSObject*> keyData,
const ObjectOrString& algorithm,
bool extractable,
const Sequence<nsString>& keyUsages,
ErrorResult& aRv)
{
SUBTLECRYPTO_METHOD_BODY(ImportKey, aRv, mParent, cx, format, keyData,
algorithm, extractable, keyUsages)
}
already_AddRefed<Promise>
SubtleCrypto::ExportKey(const nsAString& format,
CryptoKey& key,
ErrorResult& aRv)
{
SUBTLECRYPTO_METHOD_BODY(ExportKey, aRv, format, key)
}
already_AddRefed<Promise>
SubtleCrypto::GenerateKey(JSContext* cx, const ObjectOrString& algorithm,
bool extractable, const Sequence<nsString>& keyUsages,
ErrorResult& aRv)
{
SUBTLECRYPTO_METHOD_BODY(GenerateKey, aRv, mParent, cx, algorithm,
extractable, keyUsages)
}
already_AddRefed<Promise>
SubtleCrypto::DeriveKey(JSContext* cx,
const ObjectOrString& algorithm,
CryptoKey& baseKey,
const ObjectOrString& derivedKeyType,
bool extractable, const Sequence<nsString>& keyUsages,
ErrorResult& aRv)
{
SUBTLECRYPTO_METHOD_BODY(DeriveKey, aRv, mParent, cx, algorithm, baseKey,
derivedKeyType, extractable, keyUsages)
}
already_AddRefed<Promise>
SubtleCrypto::DeriveBits(JSContext* cx,
const ObjectOrString& algorithm,
CryptoKey& baseKey,
uint32_t length,
ErrorResult& aRv)
{
SUBTLECRYPTO_METHOD_BODY(DeriveBits, aRv, cx, algorithm, baseKey, length)
}
already_AddRefed<Promise>
SubtleCrypto::WrapKey(JSContext* cx,
const nsAString& format,
CryptoKey& key,
CryptoKey& wrappingKey,
const ObjectOrString& wrapAlgorithm,
ErrorResult& aRv)
{
SUBTLECRYPTO_METHOD_BODY(WrapKey, aRv, cx, format, key, wrappingKey, wrapAlgorithm)
}
already_AddRefed<Promise>
SubtleCrypto::UnwrapKey(JSContext* cx,
const nsAString& format,
const ArrayBufferViewOrArrayBuffer& wrappedKey,
CryptoKey& unwrappingKey,
const ObjectOrString& unwrapAlgorithm,
const ObjectOrString& unwrappedKeyAlgorithm,
bool extractable,
const Sequence<nsString>& keyUsages,
ErrorResult& aRv)
{
SUBTLECRYPTO_METHOD_BODY(UnwrapKey, aRv, mParent, cx, format, wrappedKey,
unwrappingKey, unwrapAlgorithm,
unwrappedKeyAlgorithm, extractable, keyUsages)
}
} // namespace dom
} // namespace mozilla