153 lines
4.6 KiB
C++
153 lines
4.6 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef mozilla_dom_InternalHeaders_h
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#define mozilla_dom_InternalHeaders_h
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// needed for HeadersGuardEnum.
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#include "mozilla/dom/HeadersBinding.h"
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#include "mozilla/dom/RequestBinding.h"
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#include "mozilla/dom/UnionTypes.h"
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#include "nsClassHashtable.h"
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#include "nsWrapperCache.h"
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namespace mozilla {
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class ErrorResult;
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namespace dom {
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template<typename T> class MozMap;
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class InternalHeaders final
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{
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NS_INLINE_DECL_THREADSAFE_REFCOUNTING(InternalHeaders)
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public:
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struct Entry
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{
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Entry(const nsACString& aName, const nsACString& aValue)
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: mName(aName)
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, mValue(aValue)
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{ }
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Entry() { }
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nsCString mName;
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nsCString mValue;
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};
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private:
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HeadersGuardEnum mGuard;
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nsTArray<Entry> mList;
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public:
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explicit InternalHeaders(HeadersGuardEnum aGuard = HeadersGuardEnum::None)
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: mGuard(aGuard)
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{
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}
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explicit InternalHeaders(const InternalHeaders& aOther)
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: mGuard(HeadersGuardEnum::None)
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{
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ErrorResult result;
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Fill(aOther, result);
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MOZ_ASSERT(!result.Failed());
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// Note that it's important to set the guard after Fill(), to make sure
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// that Fill() doesn't fail if aOther is immutable.
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mGuard = aOther.mGuard;
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}
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explicit InternalHeaders(const nsTArray<Entry>&& aHeaders,
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HeadersGuardEnum aGuard = HeadersGuardEnum::None);
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void Append(const nsACString& aName, const nsACString& aValue,
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ErrorResult& aRv);
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void Delete(const nsACString& aName, ErrorResult& aRv);
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void Get(const nsACString& aName, nsCString& aValue, ErrorResult& aRv) const;
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void GetAll(const nsACString& aName, nsTArray<nsCString>& aResults,
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ErrorResult& aRv) const;
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bool Has(const nsACString& aName, ErrorResult& aRv) const;
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void Set(const nsACString& aName, const nsACString& aValue, ErrorResult& aRv);
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uint32_t GetIterableLength() const
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{
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return mList.Length();
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}
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const NS_ConvertASCIItoUTF16 GetKeyAtIndex(unsigned aIndex) const
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{
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MOZ_ASSERT(aIndex < mList.Length());
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return NS_ConvertASCIItoUTF16(mList[aIndex].mName);
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}
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const NS_ConvertASCIItoUTF16 GetValueAtIndex(unsigned aIndex) const
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{
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MOZ_ASSERT(aIndex < mList.Length());
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return NS_ConvertASCIItoUTF16(mList[aIndex].mValue);
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}
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void Clear();
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HeadersGuardEnum Guard() const { return mGuard; }
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void SetGuard(HeadersGuardEnum aGuard, ErrorResult& aRv);
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void Fill(const InternalHeaders& aInit, ErrorResult& aRv);
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void Fill(const Sequence<Sequence<nsCString>>& aInit, ErrorResult& aRv);
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void Fill(const MozMap<nsCString>& aInit, ErrorResult& aRv);
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bool HasOnlySimpleHeaders() const;
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static already_AddRefed<InternalHeaders>
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BasicHeaders(InternalHeaders* aHeaders);
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static already_AddRefed<InternalHeaders>
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CORSHeaders(InternalHeaders* aHeaders,
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RequestCredentials mCredentialsMode = RequestCredentials::Omit);
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void
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GetEntries(nsTArray<InternalHeaders::Entry>& aEntries) const;
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void
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GetUnsafeHeaders(nsTArray<nsCString>& aNames) const;
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private:
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virtual ~InternalHeaders();
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static bool IsInvalidName(const nsACString& aName, ErrorResult& aRv);
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static bool IsInvalidValue(const nsACString& aValue, ErrorResult& aRv);
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bool IsImmutable(ErrorResult& aRv) const;
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bool IsForbiddenRequestHeader(const nsACString& aName) const;
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bool IsForbiddenRequestNoCorsHeader(const nsACString& aName) const;
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bool IsForbiddenRequestNoCorsHeader(const nsACString& aName,
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const nsACString& aValue) const;
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bool IsForbiddenResponseHeader(const nsACString& aName) const;
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bool IsInvalidMutableHeader(const nsACString& aName,
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ErrorResult& aRv) const
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{
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return IsInvalidMutableHeader(aName, EmptyCString(), aRv);
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}
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bool IsInvalidMutableHeader(const nsACString& aName,
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const nsACString& aValue,
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ErrorResult& aRv) const
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{
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return IsInvalidName(aName, aRv) ||
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IsInvalidValue(aValue, aRv) ||
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IsImmutable(aRv) ||
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IsForbiddenRequestHeader(aName) ||
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IsForbiddenRequestNoCorsHeader(aName, aValue) ||
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IsForbiddenResponseHeader(aName);
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}
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static bool IsSimpleHeader(const nsACString& aName,
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const nsACString& aValue);
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};
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} // namespace dom
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} // namespace mozilla
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#endif // mozilla_dom_InternalHeaders_h
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