/usr/include/thunderbird/mozilla/dom/InternalResponse.h is in thunderbird-dev 1:52.8.0-1~deb8u1.
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/* 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/. */
#ifndef mozilla_dom_InternalResponse_h
#define mozilla_dom_InternalResponse_h
#include "nsIInputStream.h"
#include "nsISupportsImpl.h"
#include "mozilla/dom/ResponseBinding.h"
#include "mozilla/dom/ChannelInfo.h"
#include "mozilla/UniquePtr.h"
namespace mozilla {
namespace ipc {
class PrincipalInfo;
class AutoIPCStream;
} // namespace ipc
namespace dom {
class InternalHeaders;
class IPCInternalResponse;
class InternalResponse final
{
friend class FetchDriver;
public:
NS_INLINE_DECL_THREADSAFE_REFCOUNTING(InternalResponse)
InternalResponse(uint16_t aStatus, const nsACString& aStatusText);
static already_AddRefed<InternalResponse>
FromIPC(const IPCInternalResponse& aIPCResponse);
template<typename M>
void
ToIPC(IPCInternalResponse* aIPCResponse,
M* aManager,
UniquePtr<mozilla::ipc::AutoIPCStream>& aAutoStream);
already_AddRefed<InternalResponse> Clone();
static already_AddRefed<InternalResponse>
NetworkError()
{
RefPtr<InternalResponse> response = new InternalResponse(0, EmptyCString());
ErrorResult result;
response->Headers()->SetGuard(HeadersGuardEnum::Immutable, result);
MOZ_ASSERT(!result.Failed());
response->mType = ResponseType::Error;
return response.forget();
}
already_AddRefed<InternalResponse>
OpaqueResponse();
already_AddRefed<InternalResponse>
OpaqueRedirectResponse();
already_AddRefed<InternalResponse>
BasicResponse();
already_AddRefed<InternalResponse>
CORSResponse();
ResponseType
Type() const
{
MOZ_ASSERT_IF(mType == ResponseType::Error, !mWrappedResponse);
MOZ_ASSERT_IF(mType == ResponseType::Default, !mWrappedResponse);
MOZ_ASSERT_IF(mType == ResponseType::Basic, mWrappedResponse);
MOZ_ASSERT_IF(mType == ResponseType::Cors, mWrappedResponse);
MOZ_ASSERT_IF(mType == ResponseType::Opaque, mWrappedResponse);
MOZ_ASSERT_IF(mType == ResponseType::Opaqueredirect, mWrappedResponse);
return mType;
}
bool
IsError() const
{
return Type() == ResponseType::Error;
}
// GetUrl should return last fetch URL in response's url list and null if
// response's url list is the empty list.
const nsCString&
GetURL() const
{
// Empty urlList when response is a synthetic response.
if (mURLList.IsEmpty()) {
return EmptyCString();
}
return mURLList.LastElement();
}
void
GetURLList(nsTArray<nsCString>& aURLList) const
{
aURLList.Assign(mURLList);
}
const nsCString&
GetUnfilteredURL() const
{
if (mWrappedResponse) {
return mWrappedResponse->GetURL();
}
return GetURL();
}
void
GetUnfilteredURLList(nsTArray<nsCString>& aURLList) const
{
if (mWrappedResponse) {
return mWrappedResponse->GetURLList(aURLList);
}
return GetURLList(aURLList);
}
void
SetURLList(const nsTArray<nsCString>& aURLList)
{
mURLList.Assign(aURLList);
#ifdef DEBUG
for(uint32_t i = 0; i < mURLList.Length(); ++i) {
MOZ_ASSERT(mURLList[i].Find(NS_LITERAL_CSTRING("#")) == kNotFound);
}
#endif
}
uint16_t
GetStatus() const
{
return mStatus;
}
uint16_t
GetUnfilteredStatus() const
{
if (mWrappedResponse) {
return mWrappedResponse->GetStatus();
}
return GetStatus();
}
const nsCString&
GetStatusText() const
{
return mStatusText;
}
const nsCString&
GetUnfilteredStatusText() const
{
if (mWrappedResponse) {
return mWrappedResponse->GetStatusText();
}
return GetStatusText();
}
InternalHeaders*
Headers()
{
return mHeaders;
}
InternalHeaders*
UnfilteredHeaders()
{
if (mWrappedResponse) {
return mWrappedResponse->Headers();
};
return Headers();
}
void
GetUnfilteredBody(nsIInputStream** aStream, int64_t* aBodySize = nullptr)
{
if (mWrappedResponse) {
MOZ_ASSERT(!mBody);
return mWrappedResponse->GetBody(aStream, aBodySize);
}
nsCOMPtr<nsIInputStream> stream = mBody;
stream.forget(aStream);
if (aBodySize) {
*aBodySize = mBodySize;
}
}
void
GetBody(nsIInputStream** aStream, int64_t* aBodySize = nullptr)
{
if (Type() == ResponseType::Opaque ||
Type() == ResponseType::Opaqueredirect) {
*aStream = nullptr;
if (aBodySize) {
*aBodySize = UNKNOWN_BODY_SIZE;
}
return;
}
return GetUnfilteredBody(aStream, aBodySize);
}
void
SetBody(nsIInputStream* aBody, int64_t aBodySize)
{
if (mWrappedResponse) {
return mWrappedResponse->SetBody(aBody, aBodySize);
}
// A request's body may not be reset once set.
MOZ_ASSERT(!mBody);
MOZ_ASSERT(mBodySize == UNKNOWN_BODY_SIZE);
// Check arguments.
MOZ_ASSERT(aBodySize == UNKNOWN_BODY_SIZE || aBodySize >= 0);
// If body is not given, then size must be unknown.
MOZ_ASSERT_IF(!aBody, aBodySize == UNKNOWN_BODY_SIZE);
mBody = aBody;
mBodySize = aBodySize;
}
void
InitChannelInfo(nsIChannel* aChannel)
{
mChannelInfo.InitFromChannel(aChannel);
}
void
InitChannelInfo(const mozilla::ipc::IPCChannelInfo& aChannelInfo)
{
mChannelInfo.InitFromIPCChannelInfo(aChannelInfo);
}
void
InitChannelInfo(const ChannelInfo& aChannelInfo)
{
mChannelInfo = aChannelInfo;
}
const ChannelInfo&
GetChannelInfo() const
{
return mChannelInfo;
}
const UniquePtr<mozilla::ipc::PrincipalInfo>&
GetPrincipalInfo() const
{
return mPrincipalInfo;
}
bool
IsRedirected() const
{
return mURLList.Length() > 1;
}
// Takes ownership of the principal info.
void
SetPrincipalInfo(UniquePtr<mozilla::ipc::PrincipalInfo> aPrincipalInfo);
LoadTainting
GetTainting() const;
already_AddRefed<InternalResponse>
Unfiltered();
private:
~InternalResponse();
explicit InternalResponse(const InternalResponse& aOther) = delete;
InternalResponse& operator=(const InternalResponse&) = delete;
// Returns an instance of InternalResponse which is a copy of this
// InternalResponse, except headers, body and wrapped response (if any) which
// are left uninitialized. Used for cloning and filtering.
already_AddRefed<InternalResponse> CreateIncompleteCopy();
ResponseType mType;
nsCString mTerminationReason;
// A response has an associated url list (a list of zero or more fetch URLs).
// Unless stated otherwise, it is the empty list. The current url is the last
// element in mURLlist
nsTArray<nsCString> mURLList;
const uint16_t mStatus;
const nsCString mStatusText;
RefPtr<InternalHeaders> mHeaders;
nsCOMPtr<nsIInputStream> mBody;
int64_t mBodySize;
public:
static const int64_t UNKNOWN_BODY_SIZE = -1;
private:
ChannelInfo mChannelInfo;
UniquePtr<mozilla::ipc::PrincipalInfo> mPrincipalInfo;
// For filtered responses.
// Cache, and SW interception should always serialize/access the underlying
// unfiltered headers and when deserializing, create an InternalResponse
// with the unfiltered headers followed by wrapping it.
RefPtr<InternalResponse> mWrappedResponse;
};
} // namespace dom
} // namespace mozilla
#endif // mozilla_dom_InternalResponse_h
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