mirror of
https://github.com/ManchildProductions/UXP-Fixed.git
synced 2026-05-27 17:38:40 +00:00
Moonchild
1864bbec2a
The root cause in this bug is that the connection info used by 'SpdyConnectTransaction' is the same instance as the connection info in 'nsHttpTransaction', so we should clone it and let 'SpdyConnectTransaction' use the cloned one.
2499 lines
80 KiB
C++
2499 lines
80 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/* vim:set ts=4 sw=4 sts=4 et cin: */
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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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// HttpLog.h should generally be included first
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#include "HttpLog.h"
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#include "base/basictypes.h"
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#include "nsHttpHandler.h"
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#include "nsHttpTransaction.h"
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#include "nsHttpRequestHead.h"
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#include "nsHttpResponseHead.h"
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#include "nsHttpChunkedDecoder.h"
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#include "nsTransportUtils.h"
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#include "nsNetCID.h"
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#include "nsNetUtil.h"
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#include "nsIChannel.h"
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#include "nsIPipe.h"
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#include "nsCRT.h"
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#include "mozilla/Tokenizer.h"
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#include "nsISeekableStream.h"
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#include "nsMultiplexInputStream.h"
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#include "nsStringStream.h"
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#include "nsComponentManagerUtils.h" // do_CreateInstance
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#include "nsServiceManagerUtils.h" // do_GetService
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#include "nsIHttpActivityObserver.h"
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#include "nsSocketTransportService2.h"
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#include "nsICancelable.h"
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#include "nsIEventTarget.h"
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#include "nsIHttpChannelInternal.h"
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#include "nsIInputStream.h"
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#include "nsIThrottledInputChannel.h"
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#include "nsITransport.h"
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#include "nsIOService.h"
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#include "nsIRequestContext.h"
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#include "nsIHttpAuthenticator.h"
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#include "NSSErrorsService.h"
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#include "sslerr.h"
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#include <algorithm>
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//-----------------------------------------------------------------------------
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static NS_DEFINE_CID(kMultiplexInputStream, NS_MULTIPLEXINPUTSTREAM_CID);
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// Place a limit on how much non-compliant HTTP can be skipped while
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// looking for a response header
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#define MAX_INVALID_RESPONSE_BODY_SIZE (1024 * 128)
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using namespace mozilla::net;
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namespace mozilla {
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namespace net {
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//-----------------------------------------------------------------------------
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// helpers
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//-----------------------------------------------------------------------------
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static void
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LogHeaders(const char *lineStart)
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{
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nsAutoCString buf;
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char *endOfLine;
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while ((endOfLine = PL_strstr(lineStart, "\r\n"))) {
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buf.Assign(lineStart, endOfLine - lineStart);
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if (PL_strcasestr(buf.get(), "authorization: ") ||
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PL_strcasestr(buf.get(), "proxy-authorization: ")) {
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char *p = PL_strchr(PL_strchr(buf.get(), ' ') + 1, ' ');
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while (p && *++p)
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*p = '*';
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}
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LOG3((" %s\n", buf.get()));
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lineStart = endOfLine + 2;
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}
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}
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//-----------------------------------------------------------------------------
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// nsHttpTransaction <public>
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//-----------------------------------------------------------------------------
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nsHttpTransaction::nsHttpTransaction()
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: mLock("transaction lock")
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, mRequestSize(0)
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, mRequestHead(nullptr)
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, mResponseHead(nullptr)
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, mReader(nullptr)
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, mWriter(nullptr)
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, mContentLength(-1)
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, mContentRead(0)
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, mTransferSize(0)
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, mInvalidResponseBytesRead(0)
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, mPushedStream(nullptr)
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, mInitialRwin(0)
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, mChunkedDecoder(nullptr)
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, mStatus(NS_OK)
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, mPriority(0)
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, mRestartCount(0)
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, mCaps(0)
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, mClassification(CLASS_GENERAL)
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, mPipelinePosition(0)
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, mHttpVersion(NS_HTTP_VERSION_UNKNOWN)
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, mHttpResponseCode(0)
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, mCurrentHttpResponseHeaderSize(0)
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, mCapsToClear(0)
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, mResponseIsComplete(false)
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, mClosed(false)
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, mConnected(false)
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, mHaveStatusLine(false)
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, mHaveAllHeaders(false)
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, mTransactionDone(false)
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, mDidContentStart(false)
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, mNoContent(false)
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, mSentData(false)
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, mReceivedData(false)
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, mStatusEventPending(false)
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, mHasRequestBody(false)
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, mProxyConnectFailed(false)
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, mHttpResponseMatched(false)
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, mPreserveStream(false)
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, mDispatchedAsBlocking(false)
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, mResponseTimeoutEnabled(true)
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, mForceRestart(false)
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, mReuseOnRestart(false)
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, mContentDecoding(false)
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, mContentDecodingCheck(false)
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, mDeferredSendProgress(false)
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, mWaitingOnPipeOut(false)
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, mReportedStart(false)
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, mReportedResponseHeader(false)
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, mForTakeResponseHead(nullptr)
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, mResponseHeadTaken(false)
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, mSubmittedRatePacing(false)
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, mPassedRatePacing(false)
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, mSynchronousRatePaceRequest(false)
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, mCountRecv(0)
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, mCountSent(0)
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, mAppId(NECKO_NO_APP_ID)
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, mIsInIsolatedMozBrowser(false)
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, mClassOfService(0)
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, m0RTTInProgress(false)
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, mTransportStatus(NS_OK)
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{
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LOG(("Creating nsHttpTransaction @%p\n", this));
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gHttpHandler->GetMaxPipelineObjectSize(&mMaxPipelineObjectSize);
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#ifdef MOZ_VALGRIND
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memset(&mSelfAddr, 0, sizeof(NetAddr));
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memset(&mPeerAddr, 0, sizeof(NetAddr));
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#endif
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mSelfAddr.raw.family = PR_AF_UNSPEC;
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mPeerAddr.raw.family = PR_AF_UNSPEC;
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}
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nsHttpTransaction::~nsHttpTransaction()
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{
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LOG(("Destroying nsHttpTransaction @%p\n", this));
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if (mTransactionObserver) {
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mTransactionObserver->Complete(this, NS_OK);
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}
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if (mPushedStream) {
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mPushedStream->OnPushFailed();
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mPushedStream = nullptr;
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}
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if (mTokenBucketCancel) {
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mTokenBucketCancel->Cancel(NS_ERROR_ABORT);
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mTokenBucketCancel = nullptr;
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}
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// Force the callbacks and connection to be released right now
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mCallbacks = nullptr;
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mConnection = nullptr;
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delete mResponseHead;
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delete mForTakeResponseHead;
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delete mChunkedDecoder;
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ReleaseBlockingTransaction();
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}
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nsHttpTransaction::Classifier
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nsHttpTransaction::Classify()
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{
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if (!(mCaps & NS_HTTP_ALLOW_PIPELINING))
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return (mClassification = CLASS_SOLO);
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if (mRequestHead->HasHeader(nsHttp::If_Modified_Since) ||
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mRequestHead->HasHeader(nsHttp::If_None_Match))
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return (mClassification = CLASS_REVALIDATION);
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nsAutoCString accept;
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bool hasAccept = NS_SUCCEEDED(mRequestHead->GetHeader(nsHttp::Accept, accept));
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if (hasAccept && StringBeginsWith(accept, NS_LITERAL_CSTRING("image/"))) {
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return (mClassification = CLASS_IMAGE);
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}
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if (hasAccept && StringBeginsWith(accept, NS_LITERAL_CSTRING("text/css"))) {
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return (mClassification = CLASS_SCRIPT);
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}
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mClassification = CLASS_GENERAL;
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nsAutoCString requestURI;
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mRequestHead->RequestURI(requestURI);
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int32_t queryPos = requestURI.FindChar('?');
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if (queryPos == kNotFound) {
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if (StringEndsWith(requestURI,
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NS_LITERAL_CSTRING(".js")))
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mClassification = CLASS_SCRIPT;
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}
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else if (queryPos >= 3 &&
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Substring(requestURI, queryPos - 3, 3).
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EqualsLiteral(".js")) {
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mClassification = CLASS_SCRIPT;
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}
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return mClassification;
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}
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nsresult
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nsHttpTransaction::Init(uint32_t caps,
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nsHttpConnectionInfo *cinfo,
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nsHttpRequestHead *requestHead,
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nsIInputStream *requestBody,
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bool requestBodyHasHeaders,
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nsIEventTarget *target,
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nsIInterfaceRequestor *callbacks,
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nsITransportEventSink *eventsink,
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nsIAsyncInputStream **responseBody)
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{
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nsresult rv;
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LOG(("nsHttpTransaction::Init [this=%p caps=%x]\n", this, caps));
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MOZ_ASSERT(cinfo);
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MOZ_ASSERT(requestHead);
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MOZ_ASSERT(target);
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MOZ_ASSERT(NS_IsMainThread());
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mActivityDistributor = do_GetService(NS_HTTPACTIVITYDISTRIBUTOR_CONTRACTID, &rv);
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if (NS_FAILED(rv)) return rv;
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bool activityDistributorActive;
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rv = mActivityDistributor->GetIsActive(&activityDistributorActive);
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if (NS_SUCCEEDED(rv) && activityDistributorActive) {
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// there are some observers registered at activity distributor, gather
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// nsISupports for the channel that called Init()
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LOG(("nsHttpTransaction::Init() " \
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"mActivityDistributor is active " \
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"this=%p", this));
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} else {
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// there is no observer, so don't use it
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activityDistributorActive = false;
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mActivityDistributor = nullptr;
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}
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mChannel = do_QueryInterface(eventsink);
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nsCOMPtr<nsIChannel> channel = do_QueryInterface(eventsink);
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if (channel) {
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NS_GetAppInfo(channel, &mAppId, &mIsInIsolatedMozBrowser);
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}
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nsCOMPtr<nsIHttpChannelInternal> httpChannelInternal =
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do_QueryInterface(eventsink);
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if (httpChannelInternal) {
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rv = httpChannelInternal->GetResponseTimeoutEnabled(
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&mResponseTimeoutEnabled);
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if (NS_WARN_IF(NS_FAILED(rv))) {
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return rv;
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}
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httpChannelInternal->GetInitialRwin(&mInitialRwin);
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}
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// create transport event sink proxy. it coalesces consecutive
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// events of the same status type.
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rv = net_NewTransportEventSinkProxy(getter_AddRefs(mTransportSink),
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eventsink, target);
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if (NS_FAILED(rv)) return rv;
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mConnInfo = cinfo;
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mCallbacks = callbacks;
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mConsumerTarget = target;
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mCaps = caps;
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if (requestHead->IsHead()) {
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mNoContent = true;
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}
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// Make sure that there is "Content-Length: 0" header in the requestHead
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// in case of POST and PUT methods when there is no requestBody and
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// requestHead doesn't contain "Transfer-Encoding" header.
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//
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// RFC1945 section 7.2.2:
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// HTTP/1.0 requests containing an entity body must include a valid
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// Content-Length header field.
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//
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// RFC2616 section 4.4:
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// For compatibility with HTTP/1.0 applications, HTTP/1.1 requests
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// containing a message-body MUST include a valid Content-Length header
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// field unless the server is known to be HTTP/1.1 compliant.
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if ((requestHead->IsPost() || requestHead->IsPut()) &&
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!requestBody && !requestHead->HasHeader(nsHttp::Transfer_Encoding)) {
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requestHead->SetHeader(nsHttp::Content_Length, NS_LITERAL_CSTRING("0"));
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}
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// grab a weak reference to the request head
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mRequestHead = requestHead;
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// make sure we eliminate any proxy specific headers from
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// the request if we are using CONNECT
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bool pruneProxyHeaders = cinfo->UsingConnect();
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mReqHeaderBuf.Truncate();
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requestHead->Flatten(mReqHeaderBuf, pruneProxyHeaders);
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if (LOG3_ENABLED()) {
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LOG3(("http request [\n"));
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LogHeaders(mReqHeaderBuf.get());
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LOG3(("]\n"));
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}
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// If the request body does not include headers or if there is no request
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// body, then we must add the header/body separator manually.
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if (!requestBodyHasHeaders || !requestBody)
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mReqHeaderBuf.AppendLiteral("\r\n");
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// report the request header
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if (mActivityDistributor)
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mActivityDistributor->ObserveActivity(
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mChannel,
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NS_HTTP_ACTIVITY_TYPE_HTTP_TRANSACTION,
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NS_HTTP_ACTIVITY_SUBTYPE_REQUEST_HEADER,
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PR_Now(), 0,
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mReqHeaderBuf);
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// Create a string stream for the request header buf (the stream holds
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// a non-owning reference to the request header data, so we MUST keep
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// mReqHeaderBuf around).
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nsCOMPtr<nsIInputStream> headers;
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rv = NS_NewByteInputStream(getter_AddRefs(headers),
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mReqHeaderBuf.get(),
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mReqHeaderBuf.Length());
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if (NS_FAILED(rv)) return rv;
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mHasRequestBody = !!requestBody;
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if (mHasRequestBody) {
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// some non standard methods set a 0 byte content-length for
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// clarity, we can avoid doing the mulitplexed request stream for them
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uint64_t size;
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if (NS_SUCCEEDED(requestBody->Available(&size)) && !size) {
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mHasRequestBody = false;
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}
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}
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if (mHasRequestBody) {
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// wrap the headers and request body in a multiplexed input stream.
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nsCOMPtr<nsIMultiplexInputStream> multi =
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do_CreateInstance(kMultiplexInputStream, &rv);
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if (NS_FAILED(rv)) return rv;
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rv = multi->AppendStream(headers);
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if (NS_FAILED(rv)) return rv;
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rv = multi->AppendStream(requestBody);
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if (NS_FAILED(rv)) return rv;
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// wrap the multiplexed input stream with a buffered input stream, so
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// that we write data in the largest chunks possible. this is actually
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// necessary to workaround some common server bugs (see bug 137155).
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rv = NS_NewBufferedInputStream(getter_AddRefs(mRequestStream), multi,
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nsIOService::gDefaultSegmentSize);
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if (NS_FAILED(rv)) return rv;
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}
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else
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mRequestStream = headers;
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nsCOMPtr<nsIThrottledInputChannel> throttled = do_QueryInterface(mChannel);
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nsIInputChannelThrottleQueue* queue;
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if (throttled) {
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rv = throttled->GetThrottleQueue(&queue);
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// In case of failure, just carry on without throttling.
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if (NS_SUCCEEDED(rv) && queue) {
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nsCOMPtr<nsIAsyncInputStream> wrappedStream;
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rv = queue->WrapStream(mRequestStream, getter_AddRefs(wrappedStream));
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// Failure to throttle isn't sufficient reason to fail
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// initialization
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if (NS_SUCCEEDED(rv)) {
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MOZ_ASSERT(wrappedStream != nullptr);
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LOG(("nsHttpTransaction::Init %p wrapping input stream using throttle queue %p\n",
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this, queue));
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mRequestStream = do_QueryInterface(wrappedStream);
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}
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}
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}
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uint64_t size_u64;
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rv = mRequestStream->Available(&size_u64);
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if (NS_FAILED(rv)) {
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return rv;
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}
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// make sure it fits within js MAX_SAFE_INTEGER
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mRequestSize = InScriptableRange(size_u64) ? static_cast<int64_t>(size_u64) : -1;
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// create pipe for response stream
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rv = NS_NewPipe2(getter_AddRefs(mPipeIn),
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getter_AddRefs(mPipeOut),
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true, true,
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nsIOService::gDefaultSegmentSize,
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nsIOService::gDefaultSegmentCount);
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if (NS_FAILED(rv)) return rv;
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#ifdef WIN32 // bug 1153929
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MOZ_DIAGNOSTIC_ASSERT(mPipeOut);
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uint32_t * vtable = (uint32_t *) mPipeOut.get();
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MOZ_DIAGNOSTIC_ASSERT(*vtable != 0);
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#endif // WIN32
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Classify();
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nsCOMPtr<nsIAsyncInputStream> tmp(mPipeIn);
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tmp.forget(responseBody);
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return NS_OK;
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}
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// This method should only be used on the socket thread
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nsAHttpConnection *
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nsHttpTransaction::Connection()
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{
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MOZ_ASSERT(PR_GetCurrentThread() == gSocketThread);
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return mConnection.get();
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}
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already_AddRefed<nsAHttpConnection>
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nsHttpTransaction::GetConnectionReference()
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{
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MutexAutoLock lock(mLock);
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RefPtr<nsAHttpConnection> connection(mConnection);
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return connection.forget();
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}
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nsHttpResponseHead *
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nsHttpTransaction::TakeResponseHead()
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{
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MOZ_ASSERT(!mResponseHeadTaken, "TakeResponseHead called 2x");
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// Lock RestartInProgress() and TakeResponseHead() against main thread
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MutexAutoLock lock(*nsHttp::GetLock());
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|
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mResponseHeadTaken = true;
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|
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// Prefer mForTakeResponseHead over mResponseHead. It is always a complete
|
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// set of headers.
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nsHttpResponseHead *head;
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if (mForTakeResponseHead) {
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head = mForTakeResponseHead;
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mForTakeResponseHead = nullptr;
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return head;
|
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}
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|
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// Even in OnStartRequest() the headers won't be available if we were
|
|
// canceled
|
|
if (!mHaveAllHeaders) {
|
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NS_WARNING("response headers not available or incomplete");
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|
return nullptr;
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|
}
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|
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head = mResponseHead;
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mResponseHead = nullptr;
|
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return head;
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}
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|
|
void
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nsHttpTransaction::SetProxyConnectFailed()
|
|
{
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mProxyConnectFailed = true;
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}
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|
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nsHttpRequestHead *
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nsHttpTransaction::RequestHead()
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{
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return mRequestHead;
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}
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|
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uint32_t
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nsHttpTransaction::Http1xTransactionCount()
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|
{
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return 1;
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}
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|
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nsresult
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nsHttpTransaction::TakeSubTransactions(
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nsTArray<RefPtr<nsAHttpTransaction> > &outTransactions)
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|
{
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return NS_ERROR_NOT_IMPLEMENTED;
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}
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|
|
//----------------------------------------------------------------------------
|
|
// nsHttpTransaction::nsAHttpTransaction
|
|
//----------------------------------------------------------------------------
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|
|
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void
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nsHttpTransaction::SetConnection(nsAHttpConnection *conn)
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{
|
|
{
|
|
MutexAutoLock lock(mLock);
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mConnection = conn;
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}
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}
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|
|
void
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nsHttpTransaction::GetSecurityCallbacks(nsIInterfaceRequestor **cb)
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|
{
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|
MutexAutoLock lock(mLock);
|
|
nsCOMPtr<nsIInterfaceRequestor> tmp(mCallbacks);
|
|
tmp.forget(cb);
|
|
}
|
|
|
|
void
|
|
nsHttpTransaction::SetSecurityCallbacks(nsIInterfaceRequestor* aCallbacks)
|
|
{
|
|
{
|
|
MutexAutoLock lock(mLock);
|
|
mCallbacks = aCallbacks;
|
|
}
|
|
|
|
if (gSocketTransportService) {
|
|
RefPtr<UpdateSecurityCallbacks> event = new UpdateSecurityCallbacks(this, aCallbacks);
|
|
gSocketTransportService->Dispatch(event, nsIEventTarget::DISPATCH_NORMAL);
|
|
}
|
|
}
|
|
|
|
void
|
|
nsHttpTransaction::OnTransportStatus(nsITransport* transport,
|
|
nsresult status, int64_t progress)
|
|
{
|
|
LOG(("nsHttpTransaction::OnSocketStatus [this=%p status=%x progress=%lld]\n",
|
|
this, status, progress));
|
|
|
|
// A transaction can given to multiple HalfOpen sockets (this is a bug in
|
|
// nsHttpConnectionMgr). We are going to fix it here as a work around to be
|
|
// able to uplift it.
|
|
switch(status) {
|
|
case NS_NET_STATUS_RESOLVING_HOST:
|
|
if (mTransportStatus != NS_OK) {
|
|
LOG(("nsHttpTransaction::OnSocketStatus - ignore socket events "
|
|
"from backup transport"));
|
|
return;
|
|
}
|
|
break;
|
|
case NS_NET_STATUS_RESOLVED_HOST:
|
|
if (mTransportStatus != NS_NET_STATUS_RESOLVING_HOST &&
|
|
mTransportStatus != NS_OK) {
|
|
LOG(("nsHttpTransaction::OnSocketStatus - ignore socket events "
|
|
"from backup transport"));
|
|
return;
|
|
}
|
|
break;
|
|
case NS_NET_STATUS_CONNECTING_TO:
|
|
if (mTransportStatus != NS_NET_STATUS_RESOLVING_HOST &&
|
|
mTransportStatus != NS_NET_STATUS_RESOLVED_HOST &&
|
|
mTransportStatus != NS_OK) {
|
|
LOG(("nsHttpTransaction::OnSocketStatus - ignore socket events "
|
|
"from backup transport"));
|
|
return;
|
|
}
|
|
break;
|
|
case NS_NET_STATUS_CONNECTED_TO:
|
|
if (mTransportStatus != NS_NET_STATUS_RESOLVING_HOST &&
|
|
mTransportStatus != NS_NET_STATUS_RESOLVED_HOST &&
|
|
mTransportStatus != NS_NET_STATUS_CONNECTING_TO &&
|
|
mTransportStatus != NS_OK) {
|
|
LOG(("nsHttpTransaction::OnSocketStatus - ignore socket events "
|
|
"from backup transport"));
|
|
return;
|
|
}
|
|
break;
|
|
default:
|
|
LOG(("nsHttpTransaction::OnSocketStatus - a new event"));
|
|
}
|
|
|
|
mTransportStatus = status;
|
|
|
|
if (status == NS_NET_STATUS_CONNECTED_TO ||
|
|
status == NS_NET_STATUS_WAITING_FOR) {
|
|
nsISocketTransport *socketTransport =
|
|
mConnection ? mConnection->Transport() : nullptr;
|
|
if (socketTransport) {
|
|
MutexAutoLock lock(mLock);
|
|
socketTransport->GetSelfAddr(&mSelfAddr);
|
|
socketTransport->GetPeerAddr(&mPeerAddr);
|
|
}
|
|
}
|
|
|
|
// If the timing is enabled, and we are not using a persistent connection
|
|
// then the requestStart timestamp will be null, so we mark the timestamps
|
|
// for domainLookupStart/End and connectStart/End
|
|
// If we are using a persistent connection they will remain null,
|
|
// and the correct value will be returned in Performance.
|
|
if (TimingEnabled() && GetRequestStart().IsNull()) {
|
|
if (status == NS_NET_STATUS_RESOLVING_HOST) {
|
|
SetDomainLookupStart(TimeStamp::Now(), true);
|
|
} else if (status == NS_NET_STATUS_RESOLVED_HOST) {
|
|
SetDomainLookupEnd(TimeStamp::Now());
|
|
} else if (status == NS_NET_STATUS_CONNECTING_TO) {
|
|
SetConnectStart(TimeStamp::Now());
|
|
} else if (status == NS_NET_STATUS_CONNECTED_TO) {
|
|
SetConnectEnd(TimeStamp::Now(), true);
|
|
} else if (status == NS_NET_STATUS_TLS_HANDSHAKE_ENDED) {
|
|
{
|
|
// before overwriting connectEnd, copy it to secureConnectionStart
|
|
MutexAutoLock lock(mLock);
|
|
if (mTimings.secureConnectionStart.IsNull() &&
|
|
!mTimings.connectEnd.IsNull()) {
|
|
mTimings.secureConnectionStart = mTimings.connectEnd;
|
|
}
|
|
}
|
|
SetConnectEnd(TimeStamp::Now(), false);
|
|
}
|
|
}
|
|
|
|
if (!mTransportSink)
|
|
return;
|
|
|
|
MOZ_ASSERT(PR_GetCurrentThread() == gSocketThread);
|
|
|
|
// Need to do this before the STATUS_RECEIVING_FROM check below, to make
|
|
// sure that the activity distributor gets told about all status events.
|
|
if (mActivityDistributor) {
|
|
// upon STATUS_WAITING_FOR; report request body sent
|
|
if ((mHasRequestBody) &&
|
|
(status == NS_NET_STATUS_WAITING_FOR))
|
|
mActivityDistributor->ObserveActivity(
|
|
mChannel,
|
|
NS_HTTP_ACTIVITY_TYPE_HTTP_TRANSACTION,
|
|
NS_HTTP_ACTIVITY_SUBTYPE_REQUEST_BODY_SENT,
|
|
PR_Now(), 0, EmptyCString());
|
|
|
|
// report the status and progress
|
|
if (!mRestartInProgressVerifier.IsDiscardingContent())
|
|
mActivityDistributor->ObserveActivity(
|
|
mChannel,
|
|
NS_HTTP_ACTIVITY_TYPE_SOCKET_TRANSPORT,
|
|
static_cast<uint32_t>(status),
|
|
PR_Now(),
|
|
progress,
|
|
EmptyCString());
|
|
}
|
|
|
|
// nsHttpChannel synthesizes progress events in OnDataAvailable
|
|
if (status == NS_NET_STATUS_RECEIVING_FROM)
|
|
return;
|
|
|
|
int64_t progressMax;
|
|
|
|
if (status == NS_NET_STATUS_SENDING_TO) {
|
|
// suppress progress when only writing request headers
|
|
if (!mHasRequestBody) {
|
|
LOG(("nsHttpTransaction::OnTransportStatus %p "
|
|
"SENDING_TO without request body\n", this));
|
|
return;
|
|
}
|
|
|
|
if (mReader) {
|
|
// A mRequestStream method is on the stack - wait.
|
|
LOG(("nsHttpTransaction::OnSocketStatus [this=%p] "
|
|
"Skipping Re-Entrant NS_NET_STATUS_SENDING_TO\n", this));
|
|
// its ok to coalesce several of these into one deferred event
|
|
mDeferredSendProgress = true;
|
|
return;
|
|
}
|
|
|
|
nsCOMPtr<nsISeekableStream> seekable = do_QueryInterface(mRequestStream);
|
|
if (!seekable) {
|
|
LOG(("nsHttpTransaction::OnTransportStatus %p "
|
|
"SENDING_TO without seekable request stream\n", this));
|
|
progress = 0;
|
|
} else {
|
|
int64_t prog = 0;
|
|
seekable->Tell(&prog);
|
|
progress = prog;
|
|
}
|
|
|
|
// when uploading, we include the request headers in the progress
|
|
// notifications.
|
|
progressMax = mRequestSize;
|
|
}
|
|
else {
|
|
progress = 0;
|
|
progressMax = 0;
|
|
}
|
|
|
|
mTransportSink->OnTransportStatus(transport, status, progress, progressMax);
|
|
}
|
|
|
|
bool
|
|
nsHttpTransaction::IsDone()
|
|
{
|
|
return mTransactionDone;
|
|
}
|
|
|
|
nsresult
|
|
nsHttpTransaction::Status()
|
|
{
|
|
return mStatus;
|
|
}
|
|
|
|
uint32_t
|
|
nsHttpTransaction::Caps()
|
|
{
|
|
return mCaps & ~mCapsToClear;
|
|
}
|
|
|
|
void
|
|
nsHttpTransaction::SetDNSWasRefreshed()
|
|
{
|
|
MOZ_ASSERT(NS_IsMainThread(), "SetDNSWasRefreshed on main thread only!");
|
|
mCapsToClear |= NS_HTTP_REFRESH_DNS;
|
|
}
|
|
|
|
uint64_t
|
|
nsHttpTransaction::Available()
|
|
{
|
|
uint64_t size;
|
|
if (NS_FAILED(mRequestStream->Available(&size)))
|
|
size = 0;
|
|
return size;
|
|
}
|
|
|
|
nsresult
|
|
nsHttpTransaction::ReadRequestSegment(nsIInputStream *stream,
|
|
void *closure,
|
|
const char *buf,
|
|
uint32_t offset,
|
|
uint32_t count,
|
|
uint32_t *countRead)
|
|
{
|
|
nsHttpTransaction *trans = (nsHttpTransaction *) closure;
|
|
nsresult rv = trans->mReader->OnReadSegment(buf, count, countRead);
|
|
if (NS_FAILED(rv)) return rv;
|
|
|
|
if (trans->TimingEnabled()) {
|
|
// Set the timestamp to Now(), only if it null
|
|
trans->SetRequestStart(TimeStamp::Now(), true);
|
|
}
|
|
|
|
trans->CountSentBytes(*countRead);
|
|
trans->mSentData = true;
|
|
return NS_OK;
|
|
}
|
|
|
|
nsresult
|
|
nsHttpTransaction::ReadSegments(nsAHttpSegmentReader *reader,
|
|
uint32_t count, uint32_t *countRead)
|
|
{
|
|
MOZ_ASSERT(PR_GetCurrentThread() == gSocketThread);
|
|
|
|
if (mTransactionDone) {
|
|
*countRead = 0;
|
|
return mStatus;
|
|
}
|
|
|
|
if (!mConnected && !m0RTTInProgress) {
|
|
mConnected = true;
|
|
mConnection->GetSecurityInfo(getter_AddRefs(mSecurityInfo));
|
|
}
|
|
|
|
mDeferredSendProgress = false;
|
|
mReader = reader;
|
|
nsresult rv = mRequestStream->ReadSegments(ReadRequestSegment, this, count, countRead);
|
|
mReader = nullptr;
|
|
|
|
if (mDeferredSendProgress && mConnection && mConnection->Transport()) {
|
|
// to avoid using mRequestStream concurrently, OnTransportStatus()
|
|
// did not report upload status off the ReadSegments() stack from nsSocketTransport
|
|
// do it now.
|
|
OnTransportStatus(mConnection->Transport(), NS_NET_STATUS_SENDING_TO, 0);
|
|
}
|
|
mDeferredSendProgress = false;
|
|
|
|
if (mForceRestart) {
|
|
// The forceRestart condition was dealt with on the stack, but it did not
|
|
// clear the flag because nsPipe in the readsegment stack clears out
|
|
// return codes, so we need to use the flag here as a cue to return ERETARGETED
|
|
if (NS_SUCCEEDED(rv)) {
|
|
rv = NS_BINDING_RETARGETED;
|
|
}
|
|
mForceRestart = false;
|
|
}
|
|
|
|
// if read would block then we need to AsyncWait on the request stream.
|
|
// have callback occur on socket thread so we stay synchronized.
|
|
if (rv == NS_BASE_STREAM_WOULD_BLOCK) {
|
|
nsCOMPtr<nsIAsyncInputStream> asyncIn =
|
|
do_QueryInterface(mRequestStream);
|
|
if (asyncIn) {
|
|
nsCOMPtr<nsIEventTarget> target;
|
|
gHttpHandler->GetSocketThreadTarget(getter_AddRefs(target));
|
|
if (target)
|
|
asyncIn->AsyncWait(this, 0, 0, target);
|
|
else {
|
|
NS_ERROR("no socket thread event target");
|
|
rv = NS_ERROR_UNEXPECTED;
|
|
}
|
|
}
|
|
}
|
|
|
|
return rv;
|
|
}
|
|
|
|
nsresult
|
|
nsHttpTransaction::WritePipeSegment(nsIOutputStream *stream,
|
|
void *closure,
|
|
char *buf,
|
|
uint32_t offset,
|
|
uint32_t count,
|
|
uint32_t *countWritten)
|
|
{
|
|
nsHttpTransaction *trans = (nsHttpTransaction *) closure;
|
|
|
|
if (trans->mTransactionDone)
|
|
return NS_BASE_STREAM_CLOSED; // stop iterating
|
|
|
|
if (trans->TimingEnabled()) {
|
|
// Set the timestamp to Now(), only if it null
|
|
trans->SetResponseStart(TimeStamp::Now(), true);
|
|
}
|
|
|
|
// Bug 1153929 - add checks to fix windows crash
|
|
MOZ_ASSERT(trans->mWriter);
|
|
if (!trans->mWriter) {
|
|
return NS_ERROR_UNEXPECTED;
|
|
}
|
|
|
|
nsresult rv;
|
|
//
|
|
// OK, now let the caller fill this segment with data.
|
|
//
|
|
rv = trans->mWriter->OnWriteSegment(buf, count, countWritten);
|
|
if (NS_FAILED(rv)) return rv; // caller didn't want to write anything
|
|
|
|
MOZ_ASSERT(*countWritten > 0, "bad writer");
|
|
trans->CountRecvBytes(*countWritten);
|
|
trans->mReceivedData = true;
|
|
trans->mTransferSize += *countWritten;
|
|
|
|
// Let the transaction "play" with the buffer. It is free to modify
|
|
// the contents of the buffer and/or modify countWritten.
|
|
// - Bytes in HTTP headers don't count towards countWritten, so the input
|
|
// side of pipe (aka nsHttpChannel's mTransactionPump) won't hit
|
|
// OnInputStreamReady until all headers have been parsed.
|
|
//
|
|
rv = trans->ProcessData(buf, *countWritten, countWritten);
|
|
if (NS_FAILED(rv))
|
|
trans->Close(rv);
|
|
|
|
return rv; // failure code only stops WriteSegments; it is not propagated.
|
|
}
|
|
|
|
nsresult
|
|
nsHttpTransaction::WriteSegments(nsAHttpSegmentWriter *writer,
|
|
uint32_t count, uint32_t *countWritten)
|
|
{
|
|
static bool reentrantFlag = false;
|
|
LOG(("nsHttpTransaction::WriteSegments %p reentrantFlag=%d",
|
|
this, reentrantFlag));
|
|
MOZ_DIAGNOSTIC_ASSERT(!reentrantFlag);
|
|
reentrantFlag = true;
|
|
MOZ_ASSERT(PR_GetCurrentThread() == gSocketThread);
|
|
|
|
if (mTransactionDone) {
|
|
reentrantFlag = false;
|
|
return NS_SUCCEEDED(mStatus) ? NS_BASE_STREAM_CLOSED : mStatus;
|
|
}
|
|
|
|
mWriter = writer;
|
|
|
|
#ifdef WIN32 // bug 1153929
|
|
MOZ_DIAGNOSTIC_ASSERT(mPipeOut);
|
|
uint32_t * vtable = (uint32_t *) mPipeOut.get();
|
|
MOZ_DIAGNOSTIC_ASSERT(*vtable != 0);
|
|
#endif // WIN32
|
|
|
|
if (!mPipeOut) {
|
|
reentrantFlag = false;
|
|
return NS_ERROR_UNEXPECTED;
|
|
}
|
|
|
|
nsresult rv = mPipeOut->WriteSegments(WritePipeSegment, this, count, countWritten);
|
|
|
|
mWriter = nullptr;
|
|
|
|
if (mForceRestart) {
|
|
// The forceRestart condition was dealt with on the stack, but it did not
|
|
// clear the flag because nsPipe in the writesegment stack clears out
|
|
// return codes, so we need to use the flag here as a cue to return ERETARGETED
|
|
if (NS_SUCCEEDED(rv)) {
|
|
rv = NS_BINDING_RETARGETED;
|
|
}
|
|
mForceRestart = false;
|
|
}
|
|
|
|
// if pipe would block then we need to AsyncWait on it. have callback
|
|
// occur on socket thread so we stay synchronized.
|
|
if (rv == NS_BASE_STREAM_WOULD_BLOCK) {
|
|
nsCOMPtr<nsIEventTarget> target;
|
|
gHttpHandler->GetSocketThreadTarget(getter_AddRefs(target));
|
|
if (target) {
|
|
mPipeOut->AsyncWait(this, 0, 0, target);
|
|
mWaitingOnPipeOut = true;
|
|
} else {
|
|
NS_ERROR("no socket thread event target");
|
|
rv = NS_ERROR_UNEXPECTED;
|
|
}
|
|
}
|
|
|
|
reentrantFlag = false;
|
|
return rv;
|
|
}
|
|
|
|
nsresult
|
|
nsHttpTransaction::SaveNetworkStats(bool enforce)
|
|
{
|
|
return NS_ERROR_NOT_IMPLEMENTED;
|
|
}
|
|
|
|
void
|
|
nsHttpTransaction::Close(nsresult reason)
|
|
{
|
|
LOG(("nsHttpTransaction::Close [this=%p reason=%x]\n", this, reason));
|
|
|
|
MOZ_ASSERT(PR_GetCurrentThread() == gSocketThread);
|
|
if (reason == NS_BINDING_RETARGETED) {
|
|
LOG((" close %p skipped due to ERETARGETED\n", this));
|
|
return;
|
|
}
|
|
|
|
if (mClosed) {
|
|
LOG((" already closed\n"));
|
|
return;
|
|
}
|
|
|
|
if (mTransactionObserver) {
|
|
mTransactionObserver->Complete(this, reason);
|
|
mTransactionObserver = nullptr;
|
|
}
|
|
|
|
if (mTokenBucketCancel) {
|
|
mTokenBucketCancel->Cancel(reason);
|
|
mTokenBucketCancel = nullptr;
|
|
}
|
|
|
|
if (mActivityDistributor) {
|
|
// report the reponse is complete if not already reported
|
|
if (!mResponseIsComplete)
|
|
mActivityDistributor->ObserveActivity(
|
|
mChannel,
|
|
NS_HTTP_ACTIVITY_TYPE_HTTP_TRANSACTION,
|
|
NS_HTTP_ACTIVITY_SUBTYPE_RESPONSE_COMPLETE,
|
|
PR_Now(),
|
|
static_cast<uint64_t>(mContentRead),
|
|
EmptyCString());
|
|
|
|
// report that this transaction is closing
|
|
mActivityDistributor->ObserveActivity(
|
|
mChannel,
|
|
NS_HTTP_ACTIVITY_TYPE_HTTP_TRANSACTION,
|
|
NS_HTTP_ACTIVITY_SUBTYPE_TRANSACTION_CLOSE,
|
|
PR_Now(), 0, EmptyCString());
|
|
}
|
|
|
|
// we must no longer reference the connection! find out if the
|
|
// connection was being reused before letting it go.
|
|
bool connReused = false;
|
|
if (mConnection) {
|
|
connReused = mConnection->IsReused();
|
|
}
|
|
mConnected = false;
|
|
mTunnelProvider = nullptr;
|
|
|
|
//
|
|
// if the connection was reset or closed before we wrote any part of the
|
|
// request or if we wrote the request but didn't receive any part of the
|
|
// response and the connection was being reused, then we can (and really
|
|
// should) assume that we wrote to a stale connection and we must therefore
|
|
// repeat the request over a new connection.
|
|
//
|
|
// We have decided to retry not only in case of the reused connections, but
|
|
// all safe methods(bug 1236277).
|
|
//
|
|
// NOTE: the conditions under which we will automatically retry the HTTP
|
|
// request have to be carefully selected to avoid duplication of the
|
|
// request from the point-of-view of the server. such duplication could
|
|
// have dire consequences including repeated purchases, etc.
|
|
//
|
|
// NOTE: because of the way SSL proxy CONNECT is implemented, it is
|
|
// possible that the transaction may have received data without having
|
|
// sent any data. for this reason, mSendData == FALSE does not imply
|
|
// mReceivedData == FALSE. (see bug 203057 for more info.)
|
|
//
|
|
// Never restart transactions that are marked as sticky to their conenction.
|
|
// We use that capability to identify transactions bound to connection based
|
|
// authentication. Reissuing them on a different connections will break
|
|
// this bondage. Major issue may arise when there is an NTLM message auth
|
|
// header on the transaction and we send it to a different NTLM authenticated
|
|
// connection. It will break that connection and also confuse the channel's
|
|
// auth provider, beliving the cached credentials are wrong and asking for
|
|
// the password mistakenly again from the user.
|
|
if ((reason == NS_ERROR_NET_RESET ||
|
|
reason == NS_OK ||
|
|
reason == psm::GetXPCOMFromNSSError(SSL_ERROR_DOWNGRADE_WITH_EARLY_DATA)) &&
|
|
(!(mCaps & NS_HTTP_STICKY_CONNECTION) || (mCaps & NS_HTTP_CONNECTION_RESTARTABLE))) {
|
|
|
|
if (mForceRestart && NS_SUCCEEDED(Restart())) {
|
|
if (mResponseHead) {
|
|
mResponseHead->Reset();
|
|
}
|
|
mContentRead = 0;
|
|
mContentLength = -1;
|
|
delete mChunkedDecoder;
|
|
mChunkedDecoder = nullptr;
|
|
mHaveStatusLine = false;
|
|
mHaveAllHeaders = false;
|
|
mHttpResponseMatched = false;
|
|
mResponseIsComplete = false;
|
|
mDidContentStart = false;
|
|
mNoContent = false;
|
|
mSentData = false;
|
|
mReceivedData = false;
|
|
LOG(("transaction force restarted\n"));
|
|
return;
|
|
}
|
|
|
|
// reallySentData is meant to separate the instances where data has
|
|
// been sent by this transaction but buffered at a higher level while
|
|
// a TLS session (perhaps via a tunnel) is setup.
|
|
bool reallySentData =
|
|
mSentData && (!mConnection || mConnection->BytesWritten());
|
|
|
|
if (reason == psm::GetXPCOMFromNSSError(SSL_ERROR_DOWNGRADE_WITH_EARLY_DATA) ||
|
|
(!mReceivedData &&
|
|
((mRequestHead && mRequestHead->IsSafeMethod()) ||
|
|
!reallySentData || connReused))) {
|
|
// if restarting fails, then we must proceed to close the pipe,
|
|
// which will notify the channel that the transaction failed.
|
|
|
|
if (mPipelinePosition) {
|
|
gHttpHandler->ConnMgr()->PipelineFeedbackInfo(
|
|
mConnInfo, nsHttpConnectionMgr::RedCanceledPipeline,
|
|
nullptr, 0);
|
|
}
|
|
if (NS_SUCCEEDED(Restart()))
|
|
return;
|
|
}
|
|
else if (!mResponseIsComplete && mPipelinePosition &&
|
|
reason == NS_ERROR_NET_RESET) {
|
|
// due to unhandled rst on a pipeline - safe to
|
|
// restart as only idempotent is found there
|
|
|
|
gHttpHandler->ConnMgr()->PipelineFeedbackInfo(
|
|
mConnInfo, nsHttpConnectionMgr::RedCorruptedContent, nullptr, 0);
|
|
if (NS_SUCCEEDED(RestartInProgress()))
|
|
return;
|
|
}
|
|
}
|
|
|
|
if ((mChunkedDecoder || (mContentLength >= int64_t(0))) &&
|
|
(NS_SUCCEEDED(reason) && !mResponseIsComplete)) {
|
|
|
|
NS_WARNING("Partial transfer, incomplete HTTP response received");
|
|
|
|
if ((mHttpResponseCode / 100 == 2) &&
|
|
(mHttpVersion >= NS_HTTP_VERSION_1_1)) {
|
|
FrameCheckLevel clevel = gHttpHandler->GetEnforceH1Framing();
|
|
if (clevel >= FRAMECHECK_BARELY) {
|
|
if ((clevel == FRAMECHECK_STRICT) ||
|
|
(mChunkedDecoder && mChunkedDecoder->GetChunkRemaining()) ||
|
|
(!mChunkedDecoder && !mContentDecoding && mContentDecodingCheck) ) {
|
|
reason = NS_ERROR_NET_PARTIAL_TRANSFER;
|
|
LOG(("Partial transfer, incomplete HTTP response received: %s",
|
|
mChunkedDecoder ? "broken chunk" : "c-l underrun"));
|
|
}
|
|
}
|
|
}
|
|
|
|
if (mConnection) {
|
|
// whether or not we generate an error for the transaction
|
|
// bad framing means we don't want a pconn
|
|
mConnection->DontReuse();
|
|
}
|
|
}
|
|
|
|
bool relConn = true;
|
|
if (NS_SUCCEEDED(reason)) {
|
|
if (!mResponseIsComplete) {
|
|
// The response has not been delimited with a high-confidence
|
|
// algorithm like Content-Length or Chunked Encoding. We
|
|
// need to use a strong framing mechanism to pipeline.
|
|
gHttpHandler->ConnMgr()->PipelineFeedbackInfo(
|
|
mConnInfo, nsHttpConnectionMgr::BadInsufficientFraming,
|
|
nullptr, mClassification);
|
|
}
|
|
else if (mPipelinePosition) {
|
|
// report this success as feedback
|
|
gHttpHandler->ConnMgr()->PipelineFeedbackInfo(
|
|
mConnInfo, nsHttpConnectionMgr::GoodCompletedOK,
|
|
nullptr, mPipelinePosition);
|
|
}
|
|
|
|
// the server has not sent the final \r\n terminating the header
|
|
// section, and there may still be a header line unparsed. let's make
|
|
// sure we parse the remaining header line, and then hopefully, the
|
|
// response will be usable (see bug 88792).
|
|
if (!mHaveAllHeaders) {
|
|
char data = '\n';
|
|
uint32_t unused;
|
|
ParseHead(&data, 1, &unused);
|
|
|
|
if (mResponseHead->Version() == NS_HTTP_VERSION_0_9) {
|
|
// Reject 0 byte HTTP/0.9 Responses - bug 423506
|
|
LOG(("nsHttpTransaction::Close %p 0 Byte 0.9 Response", this));
|
|
reason = NS_ERROR_NET_RESET;
|
|
}
|
|
}
|
|
|
|
// honor the sticky connection flag...
|
|
if (mCaps & NS_HTTP_STICKY_CONNECTION)
|
|
relConn = false;
|
|
}
|
|
|
|
// mTimings.responseEnd is normally recorded based on the end of a
|
|
// HTTP delimiter such as chunked-encodings or content-length. However,
|
|
// EOF or an error still require an end time be recorded.
|
|
if (TimingEnabled()) {
|
|
const TimingStruct timings = Timings();
|
|
if (timings.responseEnd.IsNull() && !timings.responseStart.IsNull()) {
|
|
SetResponseEnd(TimeStamp::Now());
|
|
}
|
|
}
|
|
|
|
if (relConn && mConnection) {
|
|
MutexAutoLock lock(mLock);
|
|
mConnection = nullptr;
|
|
}
|
|
|
|
// save network statistics in the end of transaction
|
|
SaveNetworkStats(true);
|
|
|
|
mStatus = reason;
|
|
mTransactionDone = true; // forcibly flag the transaction as complete
|
|
mClosed = true;
|
|
ReleaseBlockingTransaction();
|
|
|
|
// release some resources that we no longer need
|
|
mRequestStream = nullptr;
|
|
mReqHeaderBuf.Truncate();
|
|
mLineBuf.Truncate();
|
|
if (mChunkedDecoder) {
|
|
delete mChunkedDecoder;
|
|
mChunkedDecoder = nullptr;
|
|
}
|
|
|
|
// closing this pipe triggers the channel's OnStopRequest method.
|
|
if (mPipeOut) {
|
|
mPipeOut->CloseWithStatus(reason);
|
|
}
|
|
|
|
#ifdef WIN32 // bug 1153929
|
|
MOZ_DIAGNOSTIC_ASSERT(mPipeOut);
|
|
uint32_t * vtable = (uint32_t *) mPipeOut.get();
|
|
MOZ_DIAGNOSTIC_ASSERT(*vtable != 0);
|
|
mPipeOut = nullptr; // just in case
|
|
#endif // WIN32
|
|
}
|
|
|
|
nsHttpConnectionInfo *
|
|
nsHttpTransaction::ConnectionInfo()
|
|
{
|
|
return mConnInfo.get();
|
|
}
|
|
|
|
nsresult
|
|
nsHttpTransaction::AddTransaction(nsAHttpTransaction *trans)
|
|
{
|
|
return NS_ERROR_NOT_IMPLEMENTED;
|
|
}
|
|
|
|
uint32_t
|
|
nsHttpTransaction::PipelineDepth()
|
|
{
|
|
return IsDone() ? 0 : 1;
|
|
}
|
|
|
|
nsresult
|
|
nsHttpTransaction::SetPipelinePosition(int32_t position)
|
|
{
|
|
mPipelinePosition = position;
|
|
return NS_OK;
|
|
}
|
|
|
|
int32_t
|
|
nsHttpTransaction::PipelinePosition()
|
|
{
|
|
return mPipelinePosition;
|
|
}
|
|
|
|
bool // NOTE BASE CLASS
|
|
nsAHttpTransaction::ResponseTimeoutEnabled() const
|
|
{
|
|
return false;
|
|
}
|
|
|
|
PRIntervalTime // NOTE BASE CLASS
|
|
nsAHttpTransaction::ResponseTimeout()
|
|
{
|
|
return gHttpHandler->ResponseTimeout();
|
|
}
|
|
|
|
bool
|
|
nsHttpTransaction::ResponseTimeoutEnabled() const
|
|
{
|
|
return mResponseTimeoutEnabled;
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// nsHttpTransaction <private>
|
|
//-----------------------------------------------------------------------------
|
|
|
|
nsresult
|
|
nsHttpTransaction::RestartInProgress()
|
|
{
|
|
MOZ_ASSERT(PR_GetCurrentThread() == gSocketThread);
|
|
|
|
if ((mRestartCount + 1) >= gHttpHandler->MaxRequestAttempts()) {
|
|
LOG(("nsHttpTransaction::RestartInProgress() "
|
|
"reached max request attempts, failing transaction %p\n", this));
|
|
return NS_ERROR_NET_RESET;
|
|
}
|
|
|
|
// Lock RestartInProgress() and TakeResponseHead() against main thread
|
|
MutexAutoLock lock(*nsHttp::GetLock());
|
|
|
|
// Don't try and RestartInProgress() things that haven't gotten a response
|
|
// header yet. Those should be handled under the normal restart() path if
|
|
// they are eligible.
|
|
if (!mHaveAllHeaders)
|
|
return NS_ERROR_NET_RESET;
|
|
|
|
if (mCaps & NS_HTTP_STICKY_CONNECTION) {
|
|
return NS_ERROR_NET_RESET;
|
|
}
|
|
|
|
// don't try and restart 0.9 or non 200/Get HTTP/1
|
|
if (!mRestartInProgressVerifier.IsSetup())
|
|
return NS_ERROR_NET_RESET;
|
|
|
|
LOG(("Will restart transaction %p and skip first %lld bytes, "
|
|
"old Content-Length %lld",
|
|
this, mContentRead, mContentLength));
|
|
|
|
mRestartInProgressVerifier.SetAlreadyProcessed(
|
|
std::max(mRestartInProgressVerifier.AlreadyProcessed(), mContentRead));
|
|
|
|
if (!mResponseHeadTaken && !mForTakeResponseHead) {
|
|
// TakeResponseHeader() has not been called yet and this
|
|
// is the first restart. Store the resp headers exclusively
|
|
// for TakeResponseHead() which is called from the main thread and
|
|
// could happen at any time - so we can't continue to modify those
|
|
// headers (which restarting will effectively do)
|
|
mForTakeResponseHead = mResponseHead;
|
|
mResponseHead = nullptr;
|
|
}
|
|
|
|
if (mResponseHead) {
|
|
mResponseHead->Reset();
|
|
}
|
|
|
|
mContentRead = 0;
|
|
mContentLength = -1;
|
|
delete mChunkedDecoder;
|
|
mChunkedDecoder = nullptr;
|
|
mHaveStatusLine = false;
|
|
mHaveAllHeaders = false;
|
|
mHttpResponseMatched = false;
|
|
mResponseIsComplete = false;
|
|
mDidContentStart = false;
|
|
mNoContent = false;
|
|
mSentData = false;
|
|
mReceivedData = false;
|
|
|
|
return Restart();
|
|
}
|
|
|
|
nsresult
|
|
nsHttpTransaction::Restart()
|
|
{
|
|
MOZ_ASSERT(PR_GetCurrentThread() == gSocketThread);
|
|
|
|
// limit the number of restart attempts - bug 92224
|
|
if (++mRestartCount >= gHttpHandler->MaxRequestAttempts()) {
|
|
LOG(("reached max request attempts, failing transaction @%p\n", this));
|
|
return NS_ERROR_NET_RESET;
|
|
}
|
|
|
|
LOG(("restarting transaction @%p\n", this));
|
|
mTunnelProvider = nullptr;
|
|
|
|
// rewind streams in case we already wrote out the request
|
|
nsCOMPtr<nsISeekableStream> seekable = do_QueryInterface(mRequestStream);
|
|
if (seekable)
|
|
seekable->Seek(nsISeekableStream::NS_SEEK_SET, 0);
|
|
|
|
// clear old connection state...
|
|
mSecurityInfo = nullptr;
|
|
if (mConnection) {
|
|
if (!mReuseOnRestart) {
|
|
mConnection->DontReuse();
|
|
}
|
|
MutexAutoLock lock(mLock);
|
|
mConnection = nullptr;
|
|
}
|
|
|
|
// Reset this to our default state, since this may change from one restart
|
|
// to the next
|
|
mReuseOnRestart = false;
|
|
|
|
// disable pipelining for the next attempt in case pipelining caused the
|
|
// reset. this is being overly cautious since we don't know if pipelining
|
|
// was the problem here.
|
|
mCaps &= ~NS_HTTP_ALLOW_PIPELINING;
|
|
SetPipelinePosition(0);
|
|
|
|
if (!mConnInfo->GetRoutedHost().IsEmpty()) {
|
|
MutexAutoLock lock(*nsHttp::GetLock());
|
|
RefPtr<nsHttpConnectionInfo> ci;
|
|
mConnInfo->CloneAsDirectRoute(getter_AddRefs(ci));
|
|
mConnInfo = ci;
|
|
if (mRequestHead) {
|
|
mRequestHead->SetHeader(nsHttp::Alternate_Service_Used, NS_LITERAL_CSTRING("0"));
|
|
}
|
|
}
|
|
|
|
mTransportStatus = NS_OK;
|
|
|
|
return gHttpHandler->InitiateTransaction(this, mPriority);
|
|
}
|
|
|
|
char *
|
|
nsHttpTransaction::LocateHttpStart(char *buf, uint32_t len,
|
|
bool aAllowPartialMatch)
|
|
{
|
|
MOZ_ASSERT(!aAllowPartialMatch || mLineBuf.IsEmpty());
|
|
|
|
static const char HTTPHeader[] = "HTTP/1.";
|
|
static const uint32_t HTTPHeaderLen = sizeof(HTTPHeader) - 1;
|
|
static const char HTTP2Header[] = "HTTP/2.0";
|
|
static const uint32_t HTTP2HeaderLen = sizeof(HTTP2Header) - 1;
|
|
// ShoutCast ICY is treated as HTTP/1.0
|
|
static const char ICYHeader[] = "ICY ";
|
|
static const uint32_t ICYHeaderLen = sizeof(ICYHeader) - 1;
|
|
|
|
if (aAllowPartialMatch && (len < HTTPHeaderLen))
|
|
return (PL_strncasecmp(buf, HTTPHeader, len) == 0) ? buf : nullptr;
|
|
|
|
// mLineBuf can contain partial match from previous search
|
|
if (!mLineBuf.IsEmpty()) {
|
|
MOZ_ASSERT(mLineBuf.Length() < HTTPHeaderLen);
|
|
int32_t checkChars = std::min(len, HTTPHeaderLen - mLineBuf.Length());
|
|
if (PL_strncasecmp(buf, HTTPHeader + mLineBuf.Length(),
|
|
checkChars) == 0) {
|
|
mLineBuf.Append(buf, checkChars);
|
|
if (mLineBuf.Length() == HTTPHeaderLen) {
|
|
// We've found whole HTTPHeader sequence. Return pointer at the
|
|
// end of matched sequence since it is stored in mLineBuf.
|
|
return (buf + checkChars);
|
|
}
|
|
// Response matches pattern but is still incomplete.
|
|
return 0;
|
|
}
|
|
// Previous partial match together with new data doesn't match the
|
|
// pattern. Start the search again.
|
|
mLineBuf.Truncate();
|
|
}
|
|
|
|
bool firstByte = true;
|
|
while (len > 0) {
|
|
if (PL_strncasecmp(buf, HTTPHeader, std::min<uint32_t>(len, HTTPHeaderLen)) == 0) {
|
|
if (len < HTTPHeaderLen) {
|
|
// partial HTTPHeader sequence found
|
|
// save partial match to mLineBuf
|
|
mLineBuf.Assign(buf, len);
|
|
return 0;
|
|
}
|
|
|
|
// whole HTTPHeader sequence found
|
|
return buf;
|
|
}
|
|
|
|
// At least "SmarterTools/2.0.3974.16813" generates nonsensical
|
|
// HTTP/2.0 responses to our HTTP/1 requests. Treat the minimal case of
|
|
// it as HTTP/1.1 to be compatible with old versions of ourselves and
|
|
// other browsers
|
|
|
|
if (firstByte && !mInvalidResponseBytesRead && len >= HTTP2HeaderLen &&
|
|
(PL_strncasecmp(buf, HTTP2Header, HTTP2HeaderLen) == 0)) {
|
|
LOG(("nsHttpTransaction:: Identified HTTP/2.0 treating as 1.x\n"));
|
|
return buf;
|
|
}
|
|
|
|
// Treat ICY (AOL/Nullsoft ShoutCast) non-standard header in same fashion
|
|
// as HTTP/2.0 is treated above. This will allow "ICY " to be interpretted
|
|
// as HTTP/1.0 in nsHttpResponseHead::ParseVersion
|
|
|
|
if (firstByte && !mInvalidResponseBytesRead && len >= ICYHeaderLen &&
|
|
(PL_strncasecmp(buf, ICYHeader, ICYHeaderLen) == 0)) {
|
|
LOG(("nsHttpTransaction:: Identified ICY treating as HTTP/1.0\n"));
|
|
return buf;
|
|
}
|
|
|
|
if (!nsCRT::IsAsciiSpace(*buf))
|
|
firstByte = false;
|
|
buf++;
|
|
len--;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
nsresult
|
|
nsHttpTransaction::ParseLine(nsACString &line)
|
|
{
|
|
LOG(("nsHttpTransaction::ParseLine [%s]\n", PromiseFlatCString(line).get()));
|
|
nsresult rv = NS_OK;
|
|
|
|
if (!mHaveStatusLine) {
|
|
mResponseHead->ParseStatusLine(line);
|
|
mHaveStatusLine = true;
|
|
// XXX this should probably never happen
|
|
if (mResponseHead->Version() == NS_HTTP_VERSION_0_9)
|
|
mHaveAllHeaders = true;
|
|
}
|
|
else {
|
|
rv = mResponseHead->ParseHeaderLine(line);
|
|
}
|
|
return rv;
|
|
}
|
|
|
|
nsresult
|
|
nsHttpTransaction::ParseLineSegment(char *segment, uint32_t len)
|
|
{
|
|
NS_PRECONDITION(!mHaveAllHeaders, "already have all headers");
|
|
|
|
if (!mLineBuf.IsEmpty() && mLineBuf.Last() == '\n') {
|
|
// trim off the new line char, and if this segment is
|
|
// not a continuation of the previous or if we haven't
|
|
// parsed the status line yet, then parse the contents
|
|
// of mLineBuf.
|
|
mLineBuf.Truncate(mLineBuf.Length() - 1);
|
|
if (!mHaveStatusLine || (*segment != ' ' && *segment != '\t')) {
|
|
nsresult rv = ParseLine(mLineBuf);
|
|
mLineBuf.Truncate();
|
|
if (NS_FAILED(rv)) {
|
|
gHttpHandler->ConnMgr()->PipelineFeedbackInfo(
|
|
mConnInfo, nsHttpConnectionMgr::RedCorruptedContent,
|
|
nullptr, 0);
|
|
return rv;
|
|
}
|
|
}
|
|
}
|
|
|
|
// append segment to mLineBuf...
|
|
mLineBuf.Append(segment, len);
|
|
|
|
// a line buf with only a new line char signifies the end of headers.
|
|
if (mLineBuf.First() == '\n') {
|
|
mLineBuf.Truncate();
|
|
// discard this response if it is a 100 continue or other 1xx status.
|
|
uint16_t status = mResponseHead->Status();
|
|
if ((status != 101) && (status / 100 == 1)) {
|
|
LOG(("ignoring 1xx response\n"));
|
|
mHaveStatusLine = false;
|
|
mHttpResponseMatched = false;
|
|
mConnection->SetLastTransactionExpectedNoContent(true);
|
|
mResponseHead->Reset();
|
|
return NS_OK;
|
|
}
|
|
mHaveAllHeaders = true;
|
|
}
|
|
return NS_OK;
|
|
}
|
|
|
|
nsresult
|
|
nsHttpTransaction::ParseHead(char *buf,
|
|
uint32_t count,
|
|
uint32_t *countRead)
|
|
{
|
|
nsresult rv;
|
|
uint32_t len;
|
|
char *eol;
|
|
|
|
LOG(("nsHttpTransaction::ParseHead [count=%u]\n", count));
|
|
|
|
*countRead = 0;
|
|
|
|
NS_PRECONDITION(!mHaveAllHeaders, "oops");
|
|
|
|
// allocate the response head object if necessary
|
|
if (!mResponseHead) {
|
|
mResponseHead = new nsHttpResponseHead();
|
|
if (!mResponseHead)
|
|
return NS_ERROR_OUT_OF_MEMORY;
|
|
|
|
// report that we have a least some of the response
|
|
if (mActivityDistributor && !mReportedStart) {
|
|
mReportedStart = true;
|
|
mActivityDistributor->ObserveActivity(
|
|
mChannel,
|
|
NS_HTTP_ACTIVITY_TYPE_HTTP_TRANSACTION,
|
|
NS_HTTP_ACTIVITY_SUBTYPE_RESPONSE_START,
|
|
PR_Now(), 0, EmptyCString());
|
|
}
|
|
}
|
|
|
|
if (!mHttpResponseMatched) {
|
|
// Normally we insist on seeing HTTP/1.x in the first few bytes,
|
|
// but if we are on a persistent connection and the previous transaction
|
|
// was not supposed to have any content then we need to be prepared
|
|
// to skip over a response body that the server may have sent even
|
|
// though it wasn't allowed.
|
|
if (!mConnection || !mConnection->LastTransactionExpectedNoContent()) {
|
|
// tolerate only minor junk before the status line
|
|
mHttpResponseMatched = true;
|
|
char *p = LocateHttpStart(buf, std::min<uint32_t>(count, 11), true);
|
|
if (!p) {
|
|
// Treat any 0.9 style response of a put as a failure.
|
|
if (mRequestHead->IsPut())
|
|
return NS_ERROR_ABORT;
|
|
|
|
mResponseHead->ParseStatusLine(EmptyCString());
|
|
mHaveStatusLine = true;
|
|
mHaveAllHeaders = true;
|
|
return NS_OK;
|
|
}
|
|
if (p > buf) {
|
|
// skip over the junk
|
|
mInvalidResponseBytesRead += p - buf;
|
|
*countRead = p - buf;
|
|
buf = p;
|
|
}
|
|
}
|
|
else {
|
|
char *p = LocateHttpStart(buf, count, false);
|
|
if (p) {
|
|
mInvalidResponseBytesRead += p - buf;
|
|
*countRead = p - buf;
|
|
buf = p;
|
|
mHttpResponseMatched = true;
|
|
} else {
|
|
mInvalidResponseBytesRead += count;
|
|
*countRead = count;
|
|
if (mInvalidResponseBytesRead > MAX_INVALID_RESPONSE_BODY_SIZE) {
|
|
LOG(("nsHttpTransaction::ParseHead() "
|
|
"Cannot find Response Header\n"));
|
|
// cannot go back and call this 0.9 anymore as we
|
|
// have thrown away a lot of the leading junk
|
|
return NS_ERROR_ABORT;
|
|
}
|
|
return NS_OK;
|
|
}
|
|
}
|
|
}
|
|
// otherwise we can assume that we don't have a HTTP/0.9 response.
|
|
|
|
MOZ_ASSERT (mHttpResponseMatched);
|
|
while ((eol = static_cast<char *>(memchr(buf, '\n', count - *countRead))) != nullptr) {
|
|
// found line in range [buf:eol]
|
|
len = eol - buf + 1;
|
|
|
|
*countRead += len;
|
|
|
|
// actually, the line is in the range [buf:eol-1]
|
|
if ((eol > buf) && (*(eol-1) == '\r'))
|
|
len--;
|
|
|
|
buf[len-1] = '\n';
|
|
rv = ParseLineSegment(buf, len);
|
|
if (NS_FAILED(rv))
|
|
return rv;
|
|
|
|
if (mHaveAllHeaders)
|
|
return NS_OK;
|
|
|
|
// skip over line
|
|
buf = eol + 1;
|
|
|
|
if (!mHttpResponseMatched) {
|
|
// a 100 class response has caused us to throw away that set of
|
|
// response headers and look for the next response
|
|
return NS_ERROR_NET_INTERRUPT;
|
|
}
|
|
}
|
|
|
|
// do something about a partial header line
|
|
if (!mHaveAllHeaders && (len = count - *countRead)) {
|
|
*countRead = count;
|
|
// ignore a trailing carriage return, and don't bother calling
|
|
// ParseLineSegment if buf only contains a carriage return.
|
|
if ((buf[len-1] == '\r') && (--len == 0))
|
|
return NS_OK;
|
|
rv = ParseLineSegment(buf, len);
|
|
if (NS_FAILED(rv))
|
|
return rv;
|
|
}
|
|
return NS_OK;
|
|
}
|
|
|
|
nsresult
|
|
nsHttpTransaction::HandleContentStart()
|
|
{
|
|
LOG(("nsHttpTransaction::HandleContentStart [this=%p]\n", this));
|
|
MOZ_ASSERT(PR_GetCurrentThread() == gSocketThread);
|
|
|
|
if (mResponseHead) {
|
|
if (LOG3_ENABLED()) {
|
|
LOG3(("http response [\n"));
|
|
nsAutoCString headers;
|
|
mResponseHead->Flatten(headers, false);
|
|
headers.AppendLiteral(" OriginalHeaders");
|
|
headers.AppendLiteral("\r\n");
|
|
mResponseHead->FlattenNetworkOriginalHeaders(headers);
|
|
LogHeaders(headers.get());
|
|
LOG3(("]\n"));
|
|
}
|
|
|
|
CheckForStickyAuthScheme();
|
|
|
|
// Save http version, mResponseHead isn't available anymore after
|
|
// TakeResponseHead() is called
|
|
mHttpVersion = mResponseHead->Version();
|
|
mHttpResponseCode = mResponseHead->Status();
|
|
|
|
// notify the connection, give it a chance to cause a reset.
|
|
bool reset = false;
|
|
if (!mRestartInProgressVerifier.IsSetup())
|
|
mConnection->OnHeadersAvailable(this, mRequestHead, mResponseHead, &reset);
|
|
|
|
// looks like we should ignore this response, resetting...
|
|
if (reset) {
|
|
LOG(("resetting transaction's response head\n"));
|
|
mHaveAllHeaders = false;
|
|
mHaveStatusLine = false;
|
|
mReceivedData = false;
|
|
mSentData = false;
|
|
mHttpResponseMatched = false;
|
|
mResponseHead->Reset();
|
|
// wait to be called again...
|
|
return NS_OK;
|
|
}
|
|
|
|
// check if this is a no-content response
|
|
switch (mResponseHead->Status()) {
|
|
case 101:
|
|
mPreserveStream = true;
|
|
MOZ_FALLTHROUGH; // to other no content cases:
|
|
case 204:
|
|
case 205:
|
|
case 304:
|
|
mNoContent = true;
|
|
LOG(("this response should not contain a body.\n"));
|
|
break;
|
|
case 421:
|
|
LOG(("Misdirected Request.\n"));
|
|
gHttpHandler->ConnMgr()->ClearHostMapping(mConnInfo);
|
|
|
|
// retry on a new connection - just in case
|
|
if (!mRestartCount) {
|
|
mCaps &= ~NS_HTTP_ALLOW_KEEPALIVE;
|
|
mForceRestart = true; // force restart has built in loop protection
|
|
return NS_ERROR_NET_RESET;
|
|
}
|
|
break;
|
|
}
|
|
|
|
if (mResponseHead->Status() == 200 &&
|
|
mConnection->IsProxyConnectInProgress()) {
|
|
// successful CONNECTs do not have response bodies
|
|
mNoContent = true;
|
|
}
|
|
mConnection->SetLastTransactionExpectedNoContent(mNoContent);
|
|
if (mInvalidResponseBytesRead)
|
|
gHttpHandler->ConnMgr()->PipelineFeedbackInfo(
|
|
mConnInfo, nsHttpConnectionMgr::BadInsufficientFraming,
|
|
nullptr, mClassification);
|
|
|
|
if (mNoContent)
|
|
mContentLength = 0;
|
|
else {
|
|
// grab the content-length from the response headers
|
|
mContentLength = mResponseHead->ContentLength();
|
|
|
|
if ((mClassification != CLASS_SOLO) &&
|
|
(mContentLength > mMaxPipelineObjectSize))
|
|
CancelPipeline(nsHttpConnectionMgr::BadUnexpectedLarge);
|
|
|
|
// handle chunked encoding here, so we'll know immediately when
|
|
// we're done with the socket. please note that _all_ other
|
|
// decoding is done when the channel receives the content data
|
|
// so as not to block the socket transport thread too much.
|
|
if (mResponseHead->Version() >= NS_HTTP_VERSION_1_0 &&
|
|
mResponseHead->HasHeaderValue(nsHttp::Transfer_Encoding, "chunked")) {
|
|
// we only support the "chunked" transfer encoding right now.
|
|
mChunkedDecoder = new nsHttpChunkedDecoder();
|
|
LOG(("nsHttpTransaction %p chunked decoder created\n", this));
|
|
// Ignore server specified Content-Length.
|
|
if (mContentLength != int64_t(-1)) {
|
|
LOG(("nsHttpTransaction %p chunked with C-L ignores C-L\n", this));
|
|
mContentLength = -1;
|
|
if (mConnection) {
|
|
mConnection->DontReuse();
|
|
}
|
|
}
|
|
}
|
|
else if (mContentLength == int64_t(-1))
|
|
LOG(("waiting for the server to close the connection.\n"));
|
|
}
|
|
if (mRestartInProgressVerifier.IsSetup() &&
|
|
!mRestartInProgressVerifier.Verify(mContentLength, mResponseHead)) {
|
|
LOG(("Restart in progress subsequent transaction failed to match"));
|
|
return NS_ERROR_ABORT;
|
|
}
|
|
}
|
|
|
|
mDidContentStart = true;
|
|
|
|
// The verifier only initializes itself once (from the first iteration of
|
|
// a transaction that gets far enough to have response headers)
|
|
if (mRequestHead->IsGet())
|
|
mRestartInProgressVerifier.Set(mContentLength, mResponseHead);
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
// called on the socket thread
|
|
nsresult
|
|
nsHttpTransaction::HandleContent(char *buf,
|
|
uint32_t count,
|
|
uint32_t *contentRead,
|
|
uint32_t *contentRemaining)
|
|
{
|
|
nsresult rv;
|
|
|
|
LOG(("nsHttpTransaction::HandleContent [this=%p count=%u]\n", this, count));
|
|
|
|
*contentRead = 0;
|
|
*contentRemaining = 0;
|
|
|
|
MOZ_ASSERT(mConnection);
|
|
|
|
if (!mDidContentStart) {
|
|
rv = HandleContentStart();
|
|
if (NS_FAILED(rv)) return rv;
|
|
// Do not write content to the pipe if we haven't started streaming yet
|
|
if (!mDidContentStart)
|
|
return NS_OK;
|
|
}
|
|
|
|
if (mChunkedDecoder) {
|
|
// give the buf over to the chunked decoder so it can reformat the
|
|
// data and tell us how much is really there.
|
|
rv = mChunkedDecoder->HandleChunkedContent(buf, count, contentRead, contentRemaining);
|
|
if (NS_FAILED(rv)) return rv;
|
|
}
|
|
else if (mContentLength >= int64_t(0)) {
|
|
// HTTP/1.0 servers have been known to send erroneous Content-Length
|
|
// headers. So, unless the connection is persistent, we must make
|
|
// allowances for a possibly invalid Content-Length header. Thus, if
|
|
// NOT persistent, we simply accept everything in |buf|.
|
|
if (mConnection->IsPersistent() || mPreserveStream ||
|
|
mHttpVersion >= NS_HTTP_VERSION_1_1) {
|
|
int64_t remaining = mContentLength - mContentRead;
|
|
*contentRead = uint32_t(std::min<int64_t>(count, remaining));
|
|
*contentRemaining = count - *contentRead;
|
|
}
|
|
else {
|
|
*contentRead = count;
|
|
// mContentLength might need to be increased...
|
|
int64_t position = mContentRead + int64_t(count);
|
|
if (position > mContentLength) {
|
|
mContentLength = position;
|
|
//mResponseHead->SetContentLength(mContentLength);
|
|
}
|
|
}
|
|
}
|
|
else {
|
|
// when we are just waiting for the server to close the connection...
|
|
// (no explicit content-length given)
|
|
*contentRead = count;
|
|
}
|
|
|
|
int64_t toReadBeforeRestart =
|
|
mRestartInProgressVerifier.ToReadBeforeRestart();
|
|
|
|
if (toReadBeforeRestart && *contentRead) {
|
|
uint32_t ignore =
|
|
static_cast<uint32_t>(std::min<int64_t>(toReadBeforeRestart, UINT32_MAX));
|
|
ignore = std::min(*contentRead, ignore);
|
|
LOG(("Due To Restart ignoring %d of remaining %ld",
|
|
ignore, toReadBeforeRestart));
|
|
*contentRead -= ignore;
|
|
mContentRead += ignore;
|
|
mRestartInProgressVerifier.HaveReadBeforeRestart(ignore);
|
|
memmove(buf, buf + ignore, *contentRead + *contentRemaining);
|
|
}
|
|
|
|
if (*contentRead) {
|
|
// update count of content bytes read and report progress...
|
|
mContentRead += *contentRead;
|
|
}
|
|
|
|
LOG(("nsHttpTransaction::HandleContent [this=%p count=%u read=%u mContentRead=%lld mContentLength=%lld]\n",
|
|
this, count, *contentRead, mContentRead, mContentLength));
|
|
|
|
// Check the size of chunked responses. If we exceed the max pipeline size
|
|
// for this response reschedule the pipeline
|
|
if ((mClassification != CLASS_SOLO) &&
|
|
mChunkedDecoder &&
|
|
((mContentRead + mChunkedDecoder->GetChunkRemaining()) >
|
|
mMaxPipelineObjectSize)) {
|
|
CancelPipeline(nsHttpConnectionMgr::BadUnexpectedLarge);
|
|
}
|
|
|
|
// check for end-of-file
|
|
if ((mContentRead == mContentLength) ||
|
|
(mChunkedDecoder && mChunkedDecoder->ReachedEOF())) {
|
|
// the transaction is done with a complete response.
|
|
mTransactionDone = true;
|
|
mResponseIsComplete = true;
|
|
ReleaseBlockingTransaction();
|
|
|
|
if (TimingEnabled()) {
|
|
SetResponseEnd(TimeStamp::Now());
|
|
}
|
|
|
|
// report the entire response has arrived
|
|
if (mActivityDistributor)
|
|
mActivityDistributor->ObserveActivity(
|
|
mChannel,
|
|
NS_HTTP_ACTIVITY_TYPE_HTTP_TRANSACTION,
|
|
NS_HTTP_ACTIVITY_SUBTYPE_RESPONSE_COMPLETE,
|
|
PR_Now(),
|
|
static_cast<uint64_t>(mContentRead),
|
|
EmptyCString());
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
nsresult
|
|
nsHttpTransaction::ProcessData(char *buf, uint32_t count, uint32_t *countRead)
|
|
{
|
|
nsresult rv;
|
|
|
|
LOG(("nsHttpTransaction::ProcessData [this=%p count=%u]\n", this, count));
|
|
|
|
*countRead = 0;
|
|
|
|
// we may not have read all of the headers yet...
|
|
if (!mHaveAllHeaders) {
|
|
uint32_t bytesConsumed = 0;
|
|
|
|
do {
|
|
uint32_t localBytesConsumed = 0;
|
|
char *localBuf = buf + bytesConsumed;
|
|
uint32_t localCount = count - bytesConsumed;
|
|
|
|
rv = ParseHead(localBuf, localCount, &localBytesConsumed);
|
|
if (NS_FAILED(rv) && rv != NS_ERROR_NET_INTERRUPT)
|
|
return rv;
|
|
bytesConsumed += localBytesConsumed;
|
|
} while (rv == NS_ERROR_NET_INTERRUPT);
|
|
|
|
mCurrentHttpResponseHeaderSize += bytesConsumed;
|
|
if (mCurrentHttpResponseHeaderSize >
|
|
gHttpHandler->MaxHttpResponseHeaderSize()) {
|
|
LOG(("nsHttpTransaction %p The response header exceeds the limit.\n",
|
|
this));
|
|
return NS_ERROR_FILE_TOO_BIG;
|
|
}
|
|
count -= bytesConsumed;
|
|
|
|
// if buf has some content in it, shift bytes to top of buf.
|
|
if (count && bytesConsumed)
|
|
memmove(buf, buf + bytesConsumed, count);
|
|
|
|
// report the completed response header
|
|
if (mActivityDistributor && mResponseHead && mHaveAllHeaders &&
|
|
!mReportedResponseHeader) {
|
|
mReportedResponseHeader = true;
|
|
nsAutoCString completeResponseHeaders;
|
|
mResponseHead->Flatten(completeResponseHeaders, false);
|
|
completeResponseHeaders.AppendLiteral("\r\n");
|
|
mActivityDistributor->ObserveActivity(
|
|
mChannel,
|
|
NS_HTTP_ACTIVITY_TYPE_HTTP_TRANSACTION,
|
|
NS_HTTP_ACTIVITY_SUBTYPE_RESPONSE_HEADER,
|
|
PR_Now(), 0,
|
|
completeResponseHeaders);
|
|
}
|
|
}
|
|
|
|
// even though count may be 0, we still want to call HandleContent
|
|
// so it can complete the transaction if this is a "no-content" response.
|
|
if (mHaveAllHeaders) {
|
|
uint32_t countRemaining = 0;
|
|
//
|
|
// buf layout:
|
|
//
|
|
// +--------------------------------------+----------------+-----+
|
|
// | countRead | countRemaining | |
|
|
// +--------------------------------------+----------------+-----+
|
|
//
|
|
// count : bytes read from the socket
|
|
// countRead : bytes corresponding to this transaction
|
|
// countRemaining : bytes corresponding to next pipelined transaction
|
|
//
|
|
// NOTE:
|
|
// count > countRead + countRemaining <==> chunked transfer encoding
|
|
//
|
|
rv = HandleContent(buf, count, countRead, &countRemaining);
|
|
if (NS_FAILED(rv)) return rv;
|
|
// we may have read more than our share, in which case we must give
|
|
// the excess bytes back to the connection
|
|
if (mResponseIsComplete && countRemaining) {
|
|
MOZ_ASSERT(mConnection);
|
|
mConnection->PushBack(buf + *countRead, countRemaining);
|
|
}
|
|
|
|
if (!mContentDecodingCheck && mResponseHead) {
|
|
mContentDecoding =
|
|
mResponseHead->HasHeader(nsHttp::Content_Encoding);
|
|
mContentDecodingCheck = true;
|
|
}
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
void
|
|
nsHttpTransaction::CancelPipeline(uint32_t reason)
|
|
{
|
|
// reason is casted through a uint to avoid compiler header deps
|
|
gHttpHandler->ConnMgr()->PipelineFeedbackInfo(
|
|
mConnInfo,
|
|
static_cast<nsHttpConnectionMgr::PipelineFeedbackInfoType>(reason),
|
|
nullptr, mClassification);
|
|
|
|
mConnection->CancelPipeline(NS_ERROR_ABORT);
|
|
|
|
// Avoid pipelining this transaction on restart by classifying it as solo.
|
|
// This also prevents BadUnexpectedLarge from being reported more
|
|
// than one time per transaction.
|
|
mClassification = CLASS_SOLO;
|
|
}
|
|
|
|
|
|
void
|
|
nsHttpTransaction::SetRequestContext(nsIRequestContext *aRequestContext)
|
|
{
|
|
LOG(("nsHttpTransaction %p SetRequestContext %p\n", this, aRequestContext));
|
|
mRequestContext = aRequestContext;
|
|
}
|
|
|
|
// Called when the transaction marked for blocking is associated with a connection
|
|
// (i.e. added to a new h1 conn, an idle http connection, or placed into
|
|
// a http pipeline). It is safe to call this multiple times with it only
|
|
// having an effect once.
|
|
void
|
|
nsHttpTransaction::DispatchedAsBlocking()
|
|
{
|
|
if (mDispatchedAsBlocking)
|
|
return;
|
|
|
|
LOG(("nsHttpTransaction %p dispatched as blocking\n", this));
|
|
|
|
if (!mRequestContext)
|
|
return;
|
|
|
|
LOG(("nsHttpTransaction adding blocking transaction %p from "
|
|
"request context %p\n", this, mRequestContext.get()));
|
|
|
|
mRequestContext->AddBlockingTransaction();
|
|
mDispatchedAsBlocking = true;
|
|
}
|
|
|
|
void
|
|
nsHttpTransaction::RemoveDispatchedAsBlocking()
|
|
{
|
|
if (!mRequestContext || !mDispatchedAsBlocking)
|
|
return;
|
|
|
|
uint32_t blockers = 0;
|
|
nsresult rv = mRequestContext->RemoveBlockingTransaction(&blockers);
|
|
|
|
LOG(("nsHttpTransaction removing blocking transaction %p from "
|
|
"request context %p. %d blockers remain.\n", this,
|
|
mRequestContext.get(), blockers));
|
|
|
|
if (NS_SUCCEEDED(rv) && !blockers) {
|
|
LOG(("nsHttpTransaction %p triggering release of blocked channels "
|
|
" with request context=%p\n", this, mRequestContext.get()));
|
|
gHttpHandler->ConnMgr()->ProcessPendingQ();
|
|
}
|
|
|
|
mDispatchedAsBlocking = false;
|
|
}
|
|
|
|
void
|
|
nsHttpTransaction::ReleaseBlockingTransaction()
|
|
{
|
|
RemoveDispatchedAsBlocking();
|
|
LOG(("nsHttpTransaction %p request context set to null "
|
|
"in ReleaseBlockingTransaction() - was %p\n", this, mRequestContext.get()));
|
|
mRequestContext = nullptr;
|
|
}
|
|
|
|
void
|
|
nsHttpTransaction::DisableSpdy()
|
|
{
|
|
mCaps |= NS_HTTP_DISALLOW_SPDY;
|
|
if (mConnInfo) {
|
|
RefPtr<nsHttpConnectionInfo> connInfo = mConnInfo->Clone();
|
|
connInfo->SetNoSpdy(true);
|
|
mConnInfo.swap(connInfo);
|
|
}
|
|
}
|
|
|
|
void
|
|
nsHttpTransaction::CheckForStickyAuthScheme()
|
|
{
|
|
LOG(("nsHttpTransaction::CheckForStickyAuthScheme this=%p"));
|
|
|
|
MOZ_ASSERT(mHaveAllHeaders);
|
|
MOZ_ASSERT(mResponseHead);
|
|
MOZ_ASSERT(PR_GetCurrentThread() == gSocketThread);
|
|
|
|
CheckForStickyAuthSchemeAt(nsHttp::WWW_Authenticate);
|
|
CheckForStickyAuthSchemeAt(nsHttp::Proxy_Authenticate);
|
|
}
|
|
|
|
void
|
|
nsHttpTransaction::CheckForStickyAuthSchemeAt(nsHttpAtom const& header)
|
|
{
|
|
if (mCaps & NS_HTTP_STICKY_CONNECTION) {
|
|
LOG((" already sticky"));
|
|
return;
|
|
}
|
|
|
|
nsAutoCString auth;
|
|
if (NS_FAILED(mResponseHead->GetHeader(header, auth))) {
|
|
return;
|
|
}
|
|
|
|
Tokenizer p(auth);
|
|
nsAutoCString schema;
|
|
while (p.ReadWord(schema)) {
|
|
ToLowerCase(schema);
|
|
|
|
nsAutoCString contractid;
|
|
contractid.Assign(NS_HTTP_AUTHENTICATOR_CONTRACTID_PREFIX);
|
|
contractid.Append(schema);
|
|
|
|
// using a new instance because of thread safety of auth modules refcnt
|
|
nsCOMPtr<nsIHttpAuthenticator> authenticator(do_CreateInstance(contractid.get()));
|
|
if (authenticator) {
|
|
uint32_t flags;
|
|
authenticator->GetAuthFlags(&flags);
|
|
if (flags & nsIHttpAuthenticator::CONNECTION_BASED) {
|
|
LOG((" connection made sticky, found %s auth shema", schema.get()));
|
|
// This is enough to make this transaction keep it's current connection,
|
|
// prevents the connection from being released back to the pool.
|
|
mCaps |= NS_HTTP_STICKY_CONNECTION;
|
|
break;
|
|
}
|
|
}
|
|
|
|
// schemes are separated with LFs, nsHttpHeaderArray::MergeHeader
|
|
p.SkipUntil(Tokenizer::Token::NewLine());
|
|
p.SkipWhites(Tokenizer::INCLUDE_NEW_LINE);
|
|
}
|
|
}
|
|
|
|
const TimingStruct
|
|
nsHttpTransaction::Timings()
|
|
{
|
|
mozilla::MutexAutoLock lock(mLock);
|
|
TimingStruct timings = mTimings;
|
|
return timings;
|
|
}
|
|
|
|
void
|
|
nsHttpTransaction::BootstrapTimings(TimingStruct times)
|
|
{
|
|
mozilla::MutexAutoLock lock(mLock);
|
|
mTimings = times;
|
|
}
|
|
|
|
void
|
|
nsHttpTransaction::SetDomainLookupStart(mozilla::TimeStamp timeStamp, bool onlyIfNull)
|
|
{
|
|
mozilla::MutexAutoLock lock(mLock);
|
|
if (onlyIfNull && !mTimings.domainLookupStart.IsNull()) {
|
|
return; // We only set the timestamp if it was previously null
|
|
}
|
|
mTimings.domainLookupStart = timeStamp;
|
|
}
|
|
|
|
void
|
|
nsHttpTransaction::SetDomainLookupEnd(mozilla::TimeStamp timeStamp, bool onlyIfNull)
|
|
{
|
|
mozilla::MutexAutoLock lock(mLock);
|
|
if (onlyIfNull && !mTimings.domainLookupEnd.IsNull()) {
|
|
return; // We only set the timestamp if it was previously null
|
|
}
|
|
mTimings.domainLookupEnd = timeStamp;
|
|
}
|
|
|
|
void
|
|
nsHttpTransaction::SetConnectStart(mozilla::TimeStamp timeStamp, bool onlyIfNull)
|
|
{
|
|
mozilla::MutexAutoLock lock(mLock);
|
|
if (onlyIfNull && !mTimings.connectStart.IsNull()) {
|
|
return; // We only set the timestamp if it was previously null
|
|
}
|
|
mTimings.connectStart = timeStamp;
|
|
}
|
|
|
|
void
|
|
nsHttpTransaction::SetConnectEnd(mozilla::TimeStamp timeStamp, bool onlyIfNull)
|
|
{
|
|
mozilla::MutexAutoLock lock(mLock);
|
|
if (onlyIfNull && !mTimings.connectEnd.IsNull()) {
|
|
return; // We only set the timestamp if it was previously null
|
|
}
|
|
mTimings.connectEnd = timeStamp;
|
|
}
|
|
|
|
void
|
|
nsHttpTransaction::SetRequestStart(mozilla::TimeStamp timeStamp, bool onlyIfNull)
|
|
{
|
|
mozilla::MutexAutoLock lock(mLock);
|
|
if (onlyIfNull && !mTimings.requestStart.IsNull()) {
|
|
return; // We only set the timestamp if it was previously null
|
|
}
|
|
mTimings.requestStart = timeStamp;
|
|
}
|
|
|
|
void
|
|
nsHttpTransaction::SetResponseStart(mozilla::TimeStamp timeStamp, bool onlyIfNull)
|
|
{
|
|
mozilla::MutexAutoLock lock(mLock);
|
|
if (onlyIfNull && !mTimings.responseStart.IsNull()) {
|
|
return; // We only set the timestamp if it was previously null
|
|
}
|
|
mTimings.responseStart = timeStamp;
|
|
}
|
|
|
|
void
|
|
nsHttpTransaction::SetResponseEnd(mozilla::TimeStamp timeStamp, bool onlyIfNull)
|
|
{
|
|
mozilla::MutexAutoLock lock(mLock);
|
|
if (onlyIfNull && !mTimings.responseEnd.IsNull()) {
|
|
return; // We only set the timestamp if it was previously null
|
|
}
|
|
mTimings.responseEnd = timeStamp;
|
|
}
|
|
|
|
mozilla::TimeStamp
|
|
nsHttpTransaction::GetDomainLookupStart()
|
|
{
|
|
mozilla::MutexAutoLock lock(mLock);
|
|
return mTimings.domainLookupStart;
|
|
}
|
|
|
|
mozilla::TimeStamp
|
|
nsHttpTransaction::GetDomainLookupEnd()
|
|
{
|
|
mozilla::MutexAutoLock lock(mLock);
|
|
return mTimings.domainLookupEnd;
|
|
}
|
|
|
|
mozilla::TimeStamp
|
|
nsHttpTransaction::GetConnectStart()
|
|
{
|
|
mozilla::MutexAutoLock lock(mLock);
|
|
return mTimings.connectStart;
|
|
}
|
|
|
|
mozilla::TimeStamp
|
|
nsHttpTransaction::GetSecureConnectionStart()
|
|
{
|
|
mozilla::MutexAutoLock lock(mLock);
|
|
return mTimings.secureConnectionStart;
|
|
}
|
|
|
|
mozilla::TimeStamp
|
|
nsHttpTransaction::GetConnectEnd()
|
|
{
|
|
mozilla::MutexAutoLock lock(mLock);
|
|
return mTimings.connectEnd;
|
|
}
|
|
|
|
mozilla::TimeStamp
|
|
nsHttpTransaction::GetRequestStart()
|
|
{
|
|
mozilla::MutexAutoLock lock(mLock);
|
|
return mTimings.requestStart;
|
|
}
|
|
|
|
mozilla::TimeStamp
|
|
nsHttpTransaction::GetResponseStart()
|
|
{
|
|
mozilla::MutexAutoLock lock(mLock);
|
|
return mTimings.responseStart;
|
|
}
|
|
|
|
mozilla::TimeStamp
|
|
nsHttpTransaction::GetResponseEnd()
|
|
{
|
|
mozilla::MutexAutoLock lock(mLock);
|
|
return mTimings.responseEnd;
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// nsHttpTransaction deletion event
|
|
//-----------------------------------------------------------------------------
|
|
|
|
class DeleteHttpTransaction : public Runnable {
|
|
public:
|
|
explicit DeleteHttpTransaction(nsHttpTransaction *trans)
|
|
: mTrans(trans)
|
|
{}
|
|
|
|
NS_IMETHOD Run() override
|
|
{
|
|
delete mTrans;
|
|
return NS_OK;
|
|
}
|
|
private:
|
|
nsHttpTransaction *mTrans;
|
|
};
|
|
|
|
void
|
|
nsHttpTransaction::DeleteSelfOnConsumerThread()
|
|
{
|
|
LOG(("nsHttpTransaction::DeleteSelfOnConsumerThread [this=%p]\n", this));
|
|
|
|
bool val;
|
|
if (!mConsumerTarget ||
|
|
(NS_SUCCEEDED(mConsumerTarget->IsOnCurrentThread(&val)) && val)) {
|
|
delete this;
|
|
} else {
|
|
LOG(("proxying delete to consumer thread...\n"));
|
|
nsCOMPtr<nsIRunnable> event = new DeleteHttpTransaction(this);
|
|
if (NS_FAILED(mConsumerTarget->Dispatch(event, NS_DISPATCH_NORMAL)))
|
|
NS_WARNING("failed to dispatch nsHttpDeleteTransaction event");
|
|
}
|
|
}
|
|
|
|
bool
|
|
nsHttpTransaction::TryToRunPacedRequest()
|
|
{
|
|
if (mSubmittedRatePacing)
|
|
return mPassedRatePacing;
|
|
|
|
mSubmittedRatePacing = true;
|
|
mSynchronousRatePaceRequest = true;
|
|
gHttpHandler->SubmitPacedRequest(this, getter_AddRefs(mTokenBucketCancel));
|
|
mSynchronousRatePaceRequest = false;
|
|
return mPassedRatePacing;
|
|
}
|
|
|
|
void
|
|
nsHttpTransaction::OnTokenBucketAdmitted()
|
|
{
|
|
mPassedRatePacing = true;
|
|
mTokenBucketCancel = nullptr;
|
|
|
|
if (!mSynchronousRatePaceRequest)
|
|
gHttpHandler->ConnMgr()->ProcessPendingQ(mConnInfo);
|
|
}
|
|
|
|
void
|
|
nsHttpTransaction::CancelPacing(nsresult reason)
|
|
{
|
|
if (mTokenBucketCancel) {
|
|
mTokenBucketCancel->Cancel(reason);
|
|
mTokenBucketCancel = nullptr;
|
|
}
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// nsHttpTransaction::nsISupports
|
|
//-----------------------------------------------------------------------------
|
|
|
|
NS_IMPL_ADDREF(nsHttpTransaction)
|
|
|
|
NS_IMETHODIMP_(MozExternalRefCountType)
|
|
nsHttpTransaction::Release()
|
|
{
|
|
nsrefcnt count;
|
|
NS_PRECONDITION(0 != mRefCnt, "dup release");
|
|
count = --mRefCnt;
|
|
NS_LOG_RELEASE(this, count, "nsHttpTransaction");
|
|
if (0 == count) {
|
|
mRefCnt = 1; /* stablize */
|
|
// it is essential that the transaction be destroyed on the consumer
|
|
// thread (we could be holding the last reference to our consumer).
|
|
DeleteSelfOnConsumerThread();
|
|
return 0;
|
|
}
|
|
return count;
|
|
}
|
|
|
|
NS_IMPL_QUERY_INTERFACE(nsHttpTransaction,
|
|
nsIInputStreamCallback,
|
|
nsIOutputStreamCallback)
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// nsHttpTransaction::nsIInputStreamCallback
|
|
//-----------------------------------------------------------------------------
|
|
|
|
// called on the socket thread
|
|
NS_IMETHODIMP
|
|
nsHttpTransaction::OnInputStreamReady(nsIAsyncInputStream *out)
|
|
{
|
|
MOZ_ASSERT(PR_GetCurrentThread() == gSocketThread);
|
|
if (mConnection) {
|
|
mConnection->TransactionHasDataToWrite(this);
|
|
nsresult rv = mConnection->ResumeSend();
|
|
if (NS_FAILED(rv))
|
|
NS_ERROR("ResumeSend failed");
|
|
}
|
|
return NS_OK;
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// nsHttpTransaction::nsIOutputStreamCallback
|
|
//-----------------------------------------------------------------------------
|
|
|
|
// called on the socket thread
|
|
NS_IMETHODIMP
|
|
nsHttpTransaction::OnOutputStreamReady(nsIAsyncOutputStream *out)
|
|
{
|
|
MOZ_ASSERT(PR_GetCurrentThread() == gSocketThread);
|
|
mWaitingOnPipeOut = false;
|
|
if (mConnection) {
|
|
mConnection->TransactionHasDataToRecv(this);
|
|
nsresult rv = mConnection->ResumeRecv();
|
|
if (NS_FAILED(rv))
|
|
NS_ERROR("ResumeRecv failed");
|
|
}
|
|
return NS_OK;
|
|
}
|
|
|
|
// nsHttpTransaction::RestartVerifier
|
|
|
|
static bool
|
|
matchOld(nsHttpResponseHead *newHead, nsCString &old,
|
|
nsHttpAtom headerAtom)
|
|
{
|
|
nsAutoCString val;
|
|
|
|
newHead->GetHeader(headerAtom, val);
|
|
if (!val.IsEmpty() && old.IsEmpty())
|
|
return false;
|
|
if (val.IsEmpty() && !old.IsEmpty())
|
|
return false;
|
|
if (!val.IsEmpty() && !old.Equals(val))
|
|
return false;
|
|
return true;
|
|
}
|
|
|
|
bool
|
|
nsHttpTransaction::RestartVerifier::Verify(int64_t contentLength,
|
|
nsHttpResponseHead *newHead)
|
|
{
|
|
if (mContentLength != contentLength)
|
|
return false;
|
|
|
|
if (newHead->Status() != 200)
|
|
return false;
|
|
|
|
if (!matchOld(newHead, mContentRange, nsHttp::Content_Range))
|
|
return false;
|
|
|
|
if (!matchOld(newHead, mLastModified, nsHttp::Last_Modified))
|
|
return false;
|
|
|
|
if (!matchOld(newHead, mETag, nsHttp::ETag))
|
|
return false;
|
|
|
|
if (!matchOld(newHead, mContentEncoding, nsHttp::Content_Encoding))
|
|
return false;
|
|
|
|
if (!matchOld(newHead, mTransferEncoding, nsHttp::Transfer_Encoding))
|
|
return false;
|
|
|
|
return true;
|
|
}
|
|
|
|
void
|
|
nsHttpTransaction::RestartVerifier::Set(int64_t contentLength,
|
|
nsHttpResponseHead *head)
|
|
{
|
|
if (mSetup)
|
|
return;
|
|
|
|
// If mSetup does not transition to true RestartInPogress() is later
|
|
// forbidden
|
|
|
|
// Only RestartInProgress with 200 response code
|
|
if (!head || (head->Status() != 200)) {
|
|
return;
|
|
}
|
|
|
|
mContentLength = contentLength;
|
|
|
|
nsAutoCString val;
|
|
if (NS_SUCCEEDED(head->GetHeader(nsHttp::ETag, val))) {
|
|
mETag = val;
|
|
}
|
|
if (NS_SUCCEEDED(head->GetHeader(nsHttp::Last_Modified, val))) {
|
|
mLastModified = val;
|
|
}
|
|
if (NS_SUCCEEDED(head->GetHeader(nsHttp::Content_Range, val))) {
|
|
mContentRange = val;
|
|
}
|
|
if (NS_SUCCEEDED(head->GetHeader(nsHttp::Content_Encoding, val))) {
|
|
mContentEncoding = val;
|
|
}
|
|
if (NS_SUCCEEDED(head->GetHeader(nsHttp::Transfer_Encoding, val))) {
|
|
mTransferEncoding = val;
|
|
}
|
|
|
|
// We can only restart with any confidence if we have a stored etag or
|
|
// last-modified header
|
|
if (mETag.IsEmpty() && mLastModified.IsEmpty()) {
|
|
return;
|
|
}
|
|
|
|
mSetup = true;
|
|
}
|
|
|
|
void
|
|
nsHttpTransaction::GetNetworkAddresses(NetAddr &self, NetAddr &peer)
|
|
{
|
|
MutexAutoLock lock(mLock);
|
|
self = mSelfAddr;
|
|
peer = mPeerAddr;
|
|
}
|
|
|
|
bool
|
|
nsHttpTransaction::Do0RTT()
|
|
{
|
|
if (mRequestHead->IsSafeMethod() &&
|
|
!mConnection->IsProxyConnectInProgress()) {
|
|
m0RTTInProgress = true;
|
|
}
|
|
return m0RTTInProgress;
|
|
}
|
|
|
|
nsresult
|
|
nsHttpTransaction::Finish0RTT(bool aRestart, bool aAlpnChanged /* ignored */)
|
|
{
|
|
LOG(("nsHttpTransaction::Finish0RTT %p %d %d\n", this, aRestart, aAlpnChanged));
|
|
MOZ_ASSERT(m0RTTInProgress);
|
|
m0RTTInProgress = false;
|
|
if (aRestart) {
|
|
// Reset request headers to be sent again.
|
|
nsCOMPtr<nsISeekableStream> seekable =
|
|
do_QueryInterface(mRequestStream);
|
|
if (seekable) {
|
|
seekable->Seek(nsISeekableStream::NS_SEEK_SET, 0);
|
|
} else {
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
} else if (!mConnected) {
|
|
// this is code that was skipped in ::ReadSegments while in 0RTT
|
|
mConnected = true;
|
|
mConnection->GetSecurityInfo(getter_AddRefs(mSecurityInfo));
|
|
}
|
|
return NS_OK;
|
|
}
|
|
|
|
} // namespace net
|
|
} // namespace mozilla
|