diff options
Diffstat (limited to 'dom/base/ChromeUtils.cpp')
| -rw-r--r-- | dom/base/ChromeUtils.cpp | 203 |
1 files changed, 203 insertions, 0 deletions
diff --git a/dom/base/ChromeUtils.cpp b/dom/base/ChromeUtils.cpp new file mode 100644 index 0000000000..3cde261f02 --- /dev/null +++ b/dom/base/ChromeUtils.cpp @@ -0,0 +1,203 @@ +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2; -*- */ +/* 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 "ChromeUtils.h" + +#include "mozilla/Base64.h" +#include "mozilla/BasePrincipal.h" + +namespace mozilla { +namespace dom { + +/* static */ void +ThreadSafeChromeUtils::NondeterministicGetWeakMapKeys(GlobalObject& aGlobal, + JS::Handle<JS::Value> aMap, + JS::MutableHandle<JS::Value> aRetval, + ErrorResult& aRv) +{ + if (!aMap.isObject()) { + aRetval.setUndefined(); + } else { + JSContext* cx = aGlobal.Context(); + JS::Rooted<JSObject*> objRet(cx); + JS::Rooted<JSObject*> mapObj(cx, &aMap.toObject()); + if (!JS_NondeterministicGetWeakMapKeys(cx, mapObj, &objRet)) { + aRv.Throw(NS_ERROR_OUT_OF_MEMORY); + } else { + aRetval.set(objRet ? JS::ObjectValue(*objRet) : JS::UndefinedValue()); + } + } +} + +/* static */ void +ThreadSafeChromeUtils::NondeterministicGetWeakSetKeys(GlobalObject& aGlobal, + JS::Handle<JS::Value> aSet, + JS::MutableHandle<JS::Value> aRetval, + ErrorResult& aRv) +{ + if (!aSet.isObject()) { + aRetval.setUndefined(); + } else { + JSContext* cx = aGlobal.Context(); + JS::Rooted<JSObject*> objRet(cx); + JS::Rooted<JSObject*> setObj(cx, &aSet.toObject()); + if (!JS_NondeterministicGetWeakSetKeys(cx, setObj, &objRet)) { + aRv.Throw(NS_ERROR_OUT_OF_MEMORY); + } else { + aRetval.set(objRet ? JS::ObjectValue(*objRet) : JS::UndefinedValue()); + } + } +} + +/* static */ void +ThreadSafeChromeUtils::Base64URLEncode(GlobalObject& aGlobal, + const ArrayBufferViewOrArrayBuffer& aSource, + const Base64URLEncodeOptions& aOptions, + nsACString& aResult, + ErrorResult& aRv) +{ + size_t length = 0; + uint8_t* data = nullptr; + if (aSource.IsArrayBuffer()) { + const ArrayBuffer& buffer = aSource.GetAsArrayBuffer(); + buffer.ComputeLengthAndData(); + length = buffer.Length(); + data = buffer.Data(); + } else if (aSource.IsArrayBufferView()) { + const ArrayBufferView& view = aSource.GetAsArrayBufferView(); + view.ComputeLengthAndData(); + length = view.Length(); + data = view.Data(); + } else { + MOZ_CRASH("Uninitialized union: expected buffer or view"); + } + + auto paddingPolicy = aOptions.mPad ? Base64URLEncodePaddingPolicy::Include : + Base64URLEncodePaddingPolicy::Omit; + nsresult rv = mozilla::Base64URLEncode(length, data, paddingPolicy, aResult); + if (NS_WARN_IF(NS_FAILED(rv))) { + aResult.Truncate(); + aRv.Throw(rv); + } +} + +/* static */ void +ThreadSafeChromeUtils::Base64URLDecode(GlobalObject& aGlobal, + const nsACString& aString, + const Base64URLDecodeOptions& aOptions, + JS::MutableHandle<JSObject*> aRetval, + ErrorResult& aRv) +{ + Base64URLDecodePaddingPolicy paddingPolicy; + switch (aOptions.mPadding) { + case Base64URLDecodePadding::Require: + paddingPolicy = Base64URLDecodePaddingPolicy::Require; + break; + + case Base64URLDecodePadding::Ignore: + paddingPolicy = Base64URLDecodePaddingPolicy::Ignore; + break; + + case Base64URLDecodePadding::Reject: + paddingPolicy = Base64URLDecodePaddingPolicy::Reject; + break; + + default: + aRv.Throw(NS_ERROR_INVALID_ARG); + return; + } + FallibleTArray<uint8_t> data; + nsresult rv = mozilla::Base64URLDecode(aString, paddingPolicy, data); + if (NS_WARN_IF(NS_FAILED(rv))) { + aRv.Throw(rv); + return; + } + + JS::Rooted<JSObject*> buffer(aGlobal.Context(), + ArrayBuffer::Create(aGlobal.Context(), + data.Length(), + data.Elements())); + if (NS_WARN_IF(!buffer)) { + aRv.Throw(NS_ERROR_OUT_OF_MEMORY); + return; + } + aRetval.set(buffer); +} + +/* static */ void +ChromeUtils::OriginAttributesToSuffix(dom::GlobalObject& aGlobal, + const dom::OriginAttributesDictionary& aAttrs, + nsCString& aSuffix) + +{ + GenericOriginAttributes attrs(aAttrs); + attrs.CreateSuffix(aSuffix); +} + +/* static */ bool +ChromeUtils::OriginAttributesMatchPattern(dom::GlobalObject& aGlobal, + const dom::OriginAttributesDictionary& aAttrs, + const dom::OriginAttributesPatternDictionary& aPattern) +{ + GenericOriginAttributes attrs(aAttrs); + OriginAttributesPattern pattern(aPattern); + return pattern.Matches(attrs); +} + +/* static */ void +ChromeUtils::CreateOriginAttributesFromOrigin(dom::GlobalObject& aGlobal, + const nsAString& aOrigin, + dom::OriginAttributesDictionary& aAttrs, + ErrorResult& aRv) +{ + GenericOriginAttributes attrs; + nsAutoCString suffix; + if (!attrs.PopulateFromOrigin(NS_ConvertUTF16toUTF8(aOrigin), suffix)) { + aRv.Throw(NS_ERROR_FAILURE); + return; + } + aAttrs = attrs; +} + +/* static */ void +ChromeUtils::FillNonDefaultOriginAttributes(dom::GlobalObject& aGlobal, + const dom::OriginAttributesDictionary& aAttrs, + dom::OriginAttributesDictionary& aNewAttrs) +{ + aNewAttrs = aAttrs; +} + + +/* static */ bool +ChromeUtils::IsOriginAttributesEqual(dom::GlobalObject& aGlobal, + const dom::OriginAttributesDictionary& aA, + const dom::OriginAttributesDictionary& aB) +{ + return IsOriginAttributesEqual(aA, aB); +} + +/* static */ bool +ChromeUtils::IsOriginAttributesEqual(const dom::OriginAttributesDictionary& aA, + const dom::OriginAttributesDictionary& aB) +{ + return aA.mAddonId == aB.mAddonId && + aA.mAppId == aB.mAppId && + aA.mInIsolatedMozBrowser == aB.mInIsolatedMozBrowser && + aA.mUserContextId == aB.mUserContextId && + aA.mPrivateBrowsingId == aB.mPrivateBrowsingId; +} + +/* static */ bool +ChromeUtils::IsOriginAttributesEqualIgnoringAddonId(const dom::OriginAttributesDictionary& aA, + const dom::OriginAttributesDictionary& aB) +{ + return aA.mAppId == aB.mAppId && + aA.mInIsolatedMozBrowser == aB.mInIsolatedMozBrowser && + aA.mUserContextId == aB.mUserContextId && + aA.mPrivateBrowsingId == aB.mPrivateBrowsingId; +} + +} // namespace dom +} // namespace mozilla |