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gecko/netwerk/protocol/http/HttpBaseChannel.h

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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set sw=2 ts=8 et tw=80 : */
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is mozilla.org code.
*
* The Initial Developer of the Original Code is
* The Mozilla Foundation.
* Portions created by the Initial Developer are Copyright (C) 2010
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Daniel Witte <dwitte@mozilla.com>
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#ifndef mozilla_net_HttpBaseChannel_h
#define mozilla_net_HttpBaseChannel_h
#include "nsHttp.h"
#include "nsAutoPtr.h"
#include "nsHashPropertyBag.h"
#include "nsProxyInfo.h"
#include "nsHttpRequestHead.h"
#include "nsHttpResponseHead.h"
#include "nsHttpConnectionInfo.h"
#include "nsIEncodedChannel.h"
#include "nsIHttpChannel.h"
#include "nsIHttpChannelInternal.h"
#include "nsIUploadChannel.h"
#include "nsIUploadChannel2.h"
#include "nsIProgressEventSink.h"
#include "nsIURI.h"
#include "nsIStringEnumerator.h"
#include "nsISupportsPriority.h"
#include "nsIApplicationCache.h"
#include "nsIResumableChannel.h"
#include "mozilla/net/NeckoCommon.h"
namespace mozilla {
namespace net {
/*
* This class is a partial implementation of nsIHttpChannel. It contains code
* shared by nsHttpChannel and HttpChannelChild.
* - Note that this class has nothing to do with nsBaseChannel, which is an
* earlier effort at a base class for channels that somehow never made it all
* the way to the HTTP channel.
*/
class HttpBaseChannel : public nsHashPropertyBag
, public nsIEncodedChannel
, public nsIHttpChannel
, public nsIHttpChannelInternal
, public nsIUploadChannel
, public nsIUploadChannel2
, public nsISupportsPriority
, public nsIResumableChannel
{
public:
NS_DECL_ISUPPORTS_INHERITED
NS_DECL_NSIUPLOADCHANNEL
NS_DECL_NSIUPLOADCHANNEL2
HttpBaseChannel();
virtual ~HttpBaseChannel();
virtual nsresult Init(nsIURI *aURI, PRUint8 aCaps, nsProxyInfo *aProxyInfo);
// nsIRequest
NS_IMETHOD GetName(nsACString& aName);
NS_IMETHOD IsPending(PRBool *aIsPending);
NS_IMETHOD GetStatus(nsresult *aStatus);
NS_IMETHOD GetLoadGroup(nsILoadGroup **aLoadGroup);
NS_IMETHOD SetLoadGroup(nsILoadGroup *aLoadGroup);
NS_IMETHOD GetLoadFlags(nsLoadFlags *aLoadFlags);
NS_IMETHOD SetLoadFlags(nsLoadFlags aLoadFlags);
// nsIChannel
NS_IMETHOD GetOriginalURI(nsIURI **aOriginalURI);
NS_IMETHOD SetOriginalURI(nsIURI *aOriginalURI);
NS_IMETHOD GetURI(nsIURI **aURI);
NS_IMETHOD GetOwner(nsISupports **aOwner);
NS_IMETHOD SetOwner(nsISupports *aOwner);
NS_IMETHOD GetNotificationCallbacks(nsIInterfaceRequestor **aCallbacks);
NS_IMETHOD SetNotificationCallbacks(nsIInterfaceRequestor *aCallbacks);
NS_IMETHOD GetContentType(nsACString& aContentType);
NS_IMETHOD SetContentType(const nsACString& aContentType);
NS_IMETHOD GetContentCharset(nsACString& aContentCharset);
NS_IMETHOD SetContentCharset(const nsACString& aContentCharset);
NS_IMETHOD GetContentLength(PRInt32 *aContentLength);
NS_IMETHOD SetContentLength(PRInt32 aContentLength);
NS_IMETHOD Open(nsIInputStream **aResult);
// nsIEncodedChannel
NS_IMETHOD GetApplyConversion(PRBool *value);
NS_IMETHOD SetApplyConversion(PRBool value);
NS_IMETHOD GetContentEncodings(nsIUTF8StringEnumerator** aEncodings);
// HttpBaseChannel::nsIHttpChannel
NS_IMETHOD GetRequestMethod(nsACString& aMethod);
NS_IMETHOD SetRequestMethod(const nsACString& aMethod);
NS_IMETHOD GetReferrer(nsIURI **referrer);
NS_IMETHOD SetReferrer(nsIURI *referrer);
NS_IMETHOD GetRequestHeader(const nsACString& aHeader, nsACString& aValue);
NS_IMETHOD SetRequestHeader(const nsACString& aHeader,
const nsACString& aValue, PRBool aMerge);
NS_IMETHOD VisitRequestHeaders(nsIHttpHeaderVisitor *visitor);
NS_IMETHOD GetResponseHeader(const nsACString &header, nsACString &value);
NS_IMETHOD SetResponseHeader(const nsACString& header,
const nsACString& value, PRBool merge);
NS_IMETHOD VisitResponseHeaders(nsIHttpHeaderVisitor *visitor);
NS_IMETHOD GetAllowPipelining(PRBool *value);
NS_IMETHOD SetAllowPipelining(PRBool value);
NS_IMETHOD GetRedirectionLimit(PRUint32 *value);
NS_IMETHOD SetRedirectionLimit(PRUint32 value);
NS_IMETHOD IsNoStoreResponse(PRBool *value);
NS_IMETHOD IsNoCacheResponse(PRBool *value);
NS_IMETHOD GetResponseStatus(PRUint32 *aValue);
NS_IMETHOD GetResponseStatusText(nsACString& aValue);
NS_IMETHOD GetRequestSucceeded(PRBool *aValue);
// nsIHttpChannelInternal
NS_IMETHOD GetDocumentURI(nsIURI **aDocumentURI);
NS_IMETHOD SetDocumentURI(nsIURI *aDocumentURI);
NS_IMETHOD GetRequestVersion(PRUint32 *major, PRUint32 *minor);
NS_IMETHOD GetResponseVersion(PRUint32 *major, PRUint32 *minor);
NS_IMETHOD SetCookie(const char *aCookieHeader);
NS_IMETHOD GetForceAllowThirdPartyCookie(PRBool *aForce);
NS_IMETHOD SetForceAllowThirdPartyCookie(PRBool aForce);
NS_IMETHOD GetCanceled(PRBool *aCanceled);
NS_IMETHOD GetChannelIsForDownload(PRBool *aChannelIsForDownload);
NS_IMETHOD SetChannelIsForDownload(PRBool aChannelIsForDownload);
NS_IMETHOD SetCacheKeysRedirectChain(nsTArray<nsCString> *cacheKeys);
NS_IMETHOD GetLocalAddress(nsACString& addr);
NS_IMETHOD GetLocalPort(PRInt32* port);
NS_IMETHOD GetRemoteAddress(nsACString& addr);
NS_IMETHOD GetRemotePort(PRInt32* port);
inline void CleanRedirectCacheChainIfNecessary()
{
if (mRedirectedCachekeys) {
delete mRedirectedCachekeys;
mRedirectedCachekeys = nsnull;
}
}
// nsISupportsPriority
NS_IMETHOD GetPriority(PRInt32 *value);
NS_IMETHOD AdjustPriority(PRInt32 delta);
// nsIResumableChannel
NS_IMETHOD GetEntityID(nsACString& aEntityID);
class nsContentEncodings : public nsIUTF8StringEnumerator
{
public:
NS_DECL_ISUPPORTS
NS_DECL_NSIUTF8STRINGENUMERATOR
nsContentEncodings(nsIHttpChannel* aChannel, const char* aEncodingHeader);
virtual ~nsContentEncodings();
private:
nsresult PrepareForNext(void);
// We do not own the buffer. The channel owns it.
const char* mEncodingHeader;
const char* mCurStart; // points to start of current header
const char* mCurEnd; // points to end of current header
// Hold a ref to our channel so that it can't go away and take the
// header with it.
nsCOMPtr<nsIHttpChannel> mChannel;
PRPackedBool mReady;
};
nsHttpResponseHead * GetResponseHead() const { return mResponseHead; }
nsHttpRequestHead * GetRequestHead() { return &mRequestHead; }
const PRNetAddr& GetSelfAddr() { return mSelfAddr; }
const PRNetAddr& GetPeerAddr() { return mPeerAddr; }
protected:
nsresult ApplyContentConversions();
void AddCookiesToRequest();
virtual nsresult SetupReplacementChannel(nsIURI *,
nsIChannel *,
PRBool preserveMethod);
// Helper function to simplify getting notification callbacks.
template <class T>
void GetCallback(nsCOMPtr<T> &aResult)
{
NS_QueryNotificationCallbacks(mCallbacks, mLoadGroup,
NS_GET_TEMPLATE_IID(T),
getter_AddRefs(aResult));
}
nsCOMPtr<nsIURI> mURI;
nsCOMPtr<nsIURI> mOriginalURI;
nsCOMPtr<nsIURI> mDocumentURI;
nsCOMPtr<nsIStreamListener> mListener;
nsCOMPtr<nsISupports> mListenerContext;
nsCOMPtr<nsILoadGroup> mLoadGroup;
nsCOMPtr<nsISupports> mOwner;
nsCOMPtr<nsIInterfaceRequestor> mCallbacks;
nsCOMPtr<nsIProgressEventSink> mProgressSink;
nsCOMPtr<nsIURI> mReferrer;
nsCOMPtr<nsIApplicationCache> mApplicationCache;
nsHttpRequestHead mRequestHead;
nsCOMPtr<nsIInputStream> mUploadStream;
nsAutoPtr<nsHttpResponseHead> mResponseHead;
nsRefPtr<nsHttpConnectionInfo> mConnectionInfo;
nsCString mSpec; // ASCII encoded URL spec
nsCString mContentTypeHint;
nsCString mContentCharsetHint;
nsCString mUserSetCookieHeader;
PRNetAddr mSelfAddr;
PRNetAddr mPeerAddr;
// Resumable channel specific data
nsCString mEntityID;
PRUint64 mStartPos;
nsresult mStatus;
PRUint32 mLoadFlags;
PRInt16 mPriority;
PRUint8 mCaps;
PRUint8 mRedirectionLimit;
PRUint32 mApplyConversion : 1;
PRUint32 mCanceled : 1;
PRUint32 mIsPending : 1;
PRUint32 mWasOpened : 1;
PRUint32 mResponseHeadersModified : 1;
PRUint32 mAllowPipelining : 1;
PRUint32 mForceAllowThirdPartyCookie : 1;
PRUint32 mUploadStreamHasHeaders : 1;
PRUint32 mInheritApplicationCache : 1;
PRUint32 mChooseApplicationCache : 1;
PRUint32 mLoadedFromApplicationCache : 1;
PRUint32 mChannelIsForDownload : 1;
nsTArray<nsCString> *mRedirectedCachekeys;
};
} // namespace net
} // namespace mozilla
#endif // mozilla_net_HttpBaseChannel_h
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