dom/base/SubtleCrypto.cpp

   1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */
   3 /* This Source Code Form is subject to the terms of the Mozilla Public
   4  * License, v. 2.0. If a copy of the MPL was not distributed with this
   5  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   6
   7 #include "mozilla/dom/SubtleCrypto.h"
   8
   9 #include "mozilla/dom/Promise.h"
  10 #include "mozilla/dom/SubtleCryptoBinding.h"
  11 #include "mozilla/dom/WebCryptoTask.h"
  12
  13 namespace mozilla::dom {
  14
  15 NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE(SubtleCrypto, mParent)
  16 NS_IMPL_CYCLE_COLLECTING_ADDREF(SubtleCrypto)
  17 NS_IMPL_CYCLE_COLLECTING_RELEASE(SubtleCrypto)
  18 NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(SubtleCrypto)
  19   NS_WRAPPERCACHE_INTERFACE_MAP_ENTRY
  20   NS_INTERFACE_MAP_ENTRY(nsISupports)
  21 NS_INTERFACE_MAP_END
  22
  23 SubtleCrypto::SubtleCrypto(nsIGlobalObject* aParent) : mParent(aParent) {}
  24
  25 JSObject* SubtleCrypto::WrapObject(JSContext* aCx,
  26                                    JS::Handle<JSObject*> aGivenProto) {
  27   return SubtleCrypto_Binding::Wrap(aCx, this, aGivenProto);
  28 }
  29
  30 #define SUBTLECRYPTO_METHOD_BODY(Operation, aRv, ...)      \
  31   MOZ_ASSERT(mParent);                                     \
  32   RefPtr<Promise> p = Promise::Create(mParent, aRv);       \
  33   if (aRv.Failed()) {                                      \
  34     return nullptr;                                        \
  35   }                                                        \
  36   RefPtr<WebCryptoTask> task =                             \
  37       WebCryptoTask::Create##Operation##Task(__VA_ARGS__); \
  38   if (!task) {                                             \
  39     aRv.Throw(NS_ERROR_NULL_POINTER);                      \
  40     return nullptr;                                        \
  41   }                                                        \
  42   task->DispatchWithPromise(p);                            \
  43   return p.forget();
  44
  45 already_AddRefed<Promise> SubtleCrypto::Encrypt(JSContext* cx,
  46                                                 const ObjectOrString& algorithm,
  47                                                 CryptoKey& key,
  48                                                 const CryptoOperationData& data,
  49                                                 ErrorResult& aRv){
  50     SUBTLECRYPTO_METHOD_BODY(Encrypt, aRv, cx, algorithm, key, data)}
  51
  52 already_AddRefed<Promise> SubtleCrypto::Decrypt(JSContext* cx,
  53                                                 const ObjectOrString& algorithm,
  54                                                 CryptoKey& key,
  55                                                 const CryptoOperationData& data,
  56                                                 ErrorResult& aRv){
  57     SUBTLECRYPTO_METHOD_BODY(Decrypt, aRv, cx, algorithm, key, data)}
  58
  59 already_AddRefed<Promise> SubtleCrypto::Sign(JSContext* cx,
  60                                              const ObjectOrString& algorithm,
  61                                              CryptoKey& key,
  62                                              const CryptoOperationData& data,
  63                                              ErrorResult& aRv){
  64     SUBTLECRYPTO_METHOD_BODY(Sign, aRv, cx, algorithm, key, data)}
  65
  66 already_AddRefed<Promise> SubtleCrypto::Verify(
  67     JSContext* cx, const ObjectOrString& algorithm, CryptoKey& key,
  68     const CryptoOperationData& signature, const CryptoOperationData& data,
  69     ErrorResult& aRv){
  70     SUBTLECRYPTO_METHOD_BODY(Verify, aRv, cx, algorithm, key, signature, data)}
  71
  72 already_AddRefed<Promise> SubtleCrypto::Digest(JSContext* cx,
  73                                                const ObjectOrString& algorithm,
  74                                                const CryptoOperationData& data,
  75                                                ErrorResult& aRv){
  76     SUBTLECRYPTO_METHOD_BODY(Digest, aRv, cx, algorithm, data)}
  77
  78 already_AddRefed<Promise> SubtleCrypto::ImportKey(
  79     JSContext* cx, const nsAString& format, JS::Handle<JSObject*> keyData,
  80     const ObjectOrString& algorithm, bool extractable,
  81     const Sequence<nsString>& keyUsages, ErrorResult& aRv){
  82     SUBTLECRYPTO_METHOD_BODY(ImportKey, aRv, mParent, cx, format, keyData,
  83                              algorithm, extractable, keyUsages)}
  84
  85 already_AddRefed<Promise> SubtleCrypto::ExportKey(const nsAString& format,
  86                                                   CryptoKey& key,
  87                                                   ErrorResult& aRv){
  88     SUBTLECRYPTO_METHOD_BODY(ExportKey, aRv, format, key)}
  89
  90 already_AddRefed<Promise> SubtleCrypto::GenerateKey(
  91     JSContext* cx, const ObjectOrString& algorithm, bool extractable,
  92     const Sequence<nsString>& keyUsages, ErrorResult& aRv){
  93     SUBTLECRYPTO_METHOD_BODY(GenerateKey, aRv, mParent, cx, algorithm,
  94                              extractable, keyUsages)}
  95
  96 already_AddRefed<Promise> SubtleCrypto::DeriveKey(
  97     JSContext* cx, const ObjectOrString& algorithm, CryptoKey& baseKey,
  98     const ObjectOrString& derivedKeyType, bool extractable,
  99     const Sequence<nsString>& keyUsages, ErrorResult& aRv){
 100     SUBTLECRYPTO_METHOD_BODY(DeriveKey, aRv, mParent, cx, algorithm, baseKey,
 101                              derivedKeyType, extractable, keyUsages)}
 102
 103 already_AddRefed<Promise> SubtleCrypto::DeriveBits(
 104     JSContext* cx, const ObjectOrString& algorithm, CryptoKey& baseKey,
 105     uint32_t length, ErrorResult& aRv){
 106     SUBTLECRYPTO_METHOD_BODY(DeriveBits, aRv, cx, algorithm, baseKey, length)}
 107
 108 already_AddRefed<Promise> SubtleCrypto::WrapKey(
 109     JSContext* cx, const nsAString& format, CryptoKey& key,
 110     CryptoKey& wrappingKey, const ObjectOrString& wrapAlgorithm,
 111     ErrorResult& aRv){SUBTLECRYPTO_METHOD_BODY(WrapKey, aRv, cx, format, key,
 112                                                wrappingKey, wrapAlgorithm)}
 113
 114 already_AddRefed<Promise> SubtleCrypto::UnwrapKey(
 115     JSContext* cx, const nsAString& format,
 116     const ArrayBufferViewOrArrayBuffer& wrappedKey, CryptoKey& unwrappingKey,
 117     const ObjectOrString& unwrapAlgorithm,
 118     const ObjectOrString& unwrappedKeyAlgorithm, bool extractable,
 119     const Sequence<nsString>& keyUsages, ErrorResult& aRv) {
 120   SUBTLECRYPTO_METHOD_BODY(UnwrapKey, aRv, mParent, cx, format, wrappedKey,
 121                            unwrappingKey, unwrapAlgorithm,
 122                            unwrappedKeyAlgorithm, extractable, keyUsages)
 123 }
 124
 125 }  // namespace mozilla::dom