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gecko-dev/netwerk/protocol/http/HttpBaseChannel.cpp

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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set sw=2 ts=8 et tw=80 : */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
// HttpLog.h should generally be included first
#include "HttpLog.h"
#include "mozilla/net/HttpBaseChannel.h"
#include "nsHttpHandler.h"
#include "nsMimeTypes.h"
#include "nsNetUtil.h"
#include "nsICachingChannel.h"
#include "nsIPrincipal.h"
#include "nsISeekableStream.h"
#include "nsITimedChannel.h"
#include "nsIEncodedChannel.h"
#include "nsIApplicationCacheChannel.h"
#include "nsIMutableArray.h"
#include "nsEscape.h"
#include "nsStreamListenerWrapper.h"
#include "nsISecurityConsoleMessage.h"
#include "nsURLHelper.h"
#include "nsICookieService.h"
#include "nsIStreamConverterService.h"
#include "nsCRT.h"
#include "nsContentUtils.h"
#include "nsIScriptSecurityManager.h"
#include "nsIObserverService.h"
#include <algorithm>
namespace mozilla {
namespace net {
HttpBaseChannel::HttpBaseChannel()
: mStartPos(UINT64_MAX)
, mStatus(NS_OK)
, mLoadFlags(LOAD_NORMAL)
, mCaps(0)
, mPriority(PRIORITY_NORMAL)
, mRedirectionLimit(gHttpHandler->RedirectionLimit())
, mApplyConversion(true)
, mCanceled(false)
, mIsPending(false)
, mWasOpened(false)
, mRequestObserversCalled(false)
, mResponseHeadersModified(false)
, mAllowPipelining(true)
, mAllowSTS(true)
, mForceAllowThirdPartyCookie(false)
, mUploadStreamHasHeaders(false)
, mInheritApplicationCache(true)
, mChooseApplicationCache(false)
, mLoadedFromApplicationCache(false)
, mChannelIsForDownload(false)
, mTracingEnabled(true)
, mTimingEnabled(false)
, mAllowSpdy(true)
, mLoadAsBlocking(false)
, mLoadUnblocked(false)
, mResponseTimeoutEnabled(true)
, mAllRedirectsSameOrigin(true)
, mSuspendCount(0)
, mProxyResolveFlags(0)
, mContentDispositionHint(UINT32_MAX)
, mHttpHandler(gHttpHandler)
, mRedirectCount(0)
, mForcePending(false)
{
LOG(("Creating HttpBaseChannel @%x\n", this));
// Subfields of unions cannot be targeted in an initializer list
mSelfAddr.raw.family = PR_AF_UNSPEC;
mPeerAddr.raw.family = PR_AF_UNSPEC;
}
HttpBaseChannel::~HttpBaseChannel()
{
LOG(("Destroying HttpBaseChannel @%x\n", this));
// Make sure we don't leak
CleanRedirectCacheChainIfNecessary();
}
nsresult
HttpBaseChannel::Init(nsIURI *aURI,
uint32_t aCaps,
nsProxyInfo *aProxyInfo,
uint32_t aProxyResolveFlags,
nsIURI *aProxyURI)
{
LOG(("HttpBaseChannel::Init [this=%p]\n", this));
NS_PRECONDITION(aURI, "null uri");
mURI = aURI;
mOriginalURI = aURI;
mDocumentURI = nullptr;
mCaps = aCaps;
mProxyResolveFlags = aProxyResolveFlags;
mProxyURI = aProxyURI;
// Construct connection info object
nsAutoCString host;
int32_t port = -1;
bool usingSSL = false;
nsresult rv = mURI->SchemeIs("https", &usingSSL);
if (NS_FAILED(rv)) return rv;
rv = mURI->GetAsciiHost(host);
if (NS_FAILED(rv)) return rv;
// Reject the URL if it doesn't specify a host
if (host.IsEmpty())
return NS_ERROR_MALFORMED_URI;
rv = mURI->GetPort(&port);
if (NS_FAILED(rv)) return rv;
LOG(("host=%s port=%d\n", host.get(), port));
rv = mURI->GetAsciiSpec(mSpec);
if (NS_FAILED(rv)) return rv;
LOG(("uri=%s\n", mSpec.get()));
// Assert default request method
MOZ_ASSERT(mRequestHead.EqualsMethod(nsHttpRequestHead::kMethod_Get));
// Set request headers
nsAutoCString hostLine;
rv = nsHttpHandler::GenerateHostPort(host, port, hostLine);
if (NS_FAILED(rv)) return rv;
rv = mRequestHead.SetHeader(nsHttp::Host, hostLine);
if (NS_FAILED(rv)) return rv;
rv = gHttpHandler->AddStandardRequestHeaders(&mRequestHead.Headers());
if (NS_FAILED(rv)) return rv;
nsAutoCString type;
if (aProxyInfo && NS_SUCCEEDED(aProxyInfo->GetType(type)) &&
!type.EqualsLiteral("unknown"))
mProxyInfo = aProxyInfo;
return rv;
}
//-----------------------------------------------------------------------------
// HttpBaseChannel::nsISupports
//-----------------------------------------------------------------------------
NS_IMPL_ADDREF(HttpBaseChannel)
NS_IMPL_RELEASE(HttpBaseChannel)
NS_INTERFACE_MAP_BEGIN(HttpBaseChannel)
NS_INTERFACE_MAP_ENTRY(nsIRequest)
NS_INTERFACE_MAP_ENTRY(nsIChannel)
NS_INTERFACE_MAP_ENTRY(nsIEncodedChannel)
NS_INTERFACE_MAP_ENTRY(nsIHttpChannel)
NS_INTERFACE_MAP_ENTRY(nsIHttpChannelInternal)
NS_INTERFACE_MAP_ENTRY(nsIForcePendingChannel)
NS_INTERFACE_MAP_ENTRY(nsIRedirectHistory)
NS_INTERFACE_MAP_ENTRY(nsIUploadChannel)
NS_INTERFACE_MAP_ENTRY(nsIUploadChannel2)
NS_INTERFACE_MAP_ENTRY(nsISupportsPriority)
NS_INTERFACE_MAP_ENTRY(nsITraceableChannel)
NS_INTERFACE_MAP_ENTRY(nsIPrivateBrowsingChannel)
NS_INTERFACE_MAP_ENTRY(nsITimedChannel)
NS_INTERFACE_MAP_END_INHERITING(nsHashPropertyBag)
//-----------------------------------------------------------------------------
// HttpBaseChannel::nsIRequest
//-----------------------------------------------------------------------------
NS_IMETHODIMP
HttpBaseChannel::GetName(nsACString& aName)
{
aName = mSpec;
return NS_OK;
}
NS_IMETHODIMP
HttpBaseChannel::IsPending(bool *aIsPending)
{
NS_ENSURE_ARG_POINTER(aIsPending);
*aIsPending = mIsPending || mForcePending;
return NS_OK;
}
NS_IMETHODIMP
HttpBaseChannel::GetStatus(nsresult *aStatus)
{
NS_ENSURE_ARG_POINTER(aStatus);
*aStatus = mStatus;
return NS_OK;
}
NS_IMETHODIMP
HttpBaseChannel::GetLoadGroup(nsILoadGroup **aLoadGroup)
{
NS_ENSURE_ARG_POINTER(aLoadGroup);
*aLoadGroup = mLoadGroup;
NS_IF_ADDREF(*aLoadGroup);
return NS_OK;
}
NS_IMETHODIMP
HttpBaseChannel::SetLoadGroup(nsILoadGroup *aLoadGroup)
{
MOZ_ASSERT(NS_IsMainThread(), "Should only be called on the main thread.");
if (!CanSetLoadGroup(aLoadGroup)) {
return NS_ERROR_FAILURE;
}
mLoadGroup = aLoadGroup;
mProgressSink = nullptr;
mPrivateBrowsing = NS_UsePrivateBrowsing(this);
return NS_OK;
}
NS_IMETHODIMP
HttpBaseChannel::GetLoadFlags(nsLoadFlags *aLoadFlags)
{
NS_ENSURE_ARG_POINTER(aLoadFlags);
*aLoadFlags = mLoadFlags;
return NS_OK;
}
NS_IMETHODIMP
HttpBaseChannel::SetLoadFlags(nsLoadFlags aLoadFlags)
{
mLoadFlags = aLoadFlags;
return NS_OK;
}
//-----------------------------------------------------------------------------
// HttpBaseChannel::nsIChannel
//-----------------------------------------------------------------------------
NS_IMETHODIMP
HttpBaseChannel::GetOriginalURI(nsIURI **aOriginalURI)
{
NS_ENSURE_ARG_POINTER(aOriginalURI);
*aOriginalURI = mOriginalURI;
NS_ADDREF(*aOriginalURI);
return NS_OK;
}
NS_IMETHODIMP
HttpBaseChannel::SetOriginalURI(nsIURI *aOriginalURI)
{
ENSURE_CALLED_BEFORE_CONNECT();
NS_ENSURE_ARG_POINTER(aOriginalURI);
mOriginalURI = aOriginalURI;
return NS_OK;
}
NS_IMETHODIMP
HttpBaseChannel::GetURI(nsIURI **aURI)
{
NS_ENSURE_ARG_POINTER(aURI);
*aURI = mURI;
NS_ADDREF(*aURI);
return NS_OK;
}
NS_IMETHODIMP
HttpBaseChannel::GetOwner(nsISupports **aOwner)
{
NS_ENSURE_ARG_POINTER(aOwner);
*aOwner = mOwner;
NS_IF_ADDREF(*aOwner);
return NS_OK;
}
NS_IMETHODIMP
HttpBaseChannel::SetOwner(nsISupports *aOwner)
{
mOwner = aOwner;
return NS_OK;
}
NS_IMETHODIMP
HttpBaseChannel::SetLoadInfo(nsILoadInfo *aLoadInfo)
{
mLoadInfo = aLoadInfo;
return NS_OK;
}
NS_IMETHODIMP
HttpBaseChannel::GetLoadInfo(nsILoadInfo **aLoadInfo)
{
NS_IF_ADDREF(*aLoadInfo = mLoadInfo);
return NS_OK;
}
NS_IMETHODIMP
HttpBaseChannel::GetNotificationCallbacks(nsIInterfaceRequestor **aCallbacks)
{
*aCallbacks = mCallbacks;
NS_IF_ADDREF(*aCallbacks);
return NS_OK;
}
NS_IMETHODIMP
HttpBaseChannel::SetNotificationCallbacks(nsIInterfaceRequestor *aCallbacks)
{
MOZ_ASSERT(NS_IsMainThread(), "Should only be called on the main thread.");
if (!CanSetCallbacks(aCallbacks)) {
return NS_ERROR_FAILURE;
}
mCallbacks = aCallbacks;
mProgressSink = nullptr;
mPrivateBrowsing = NS_UsePrivateBrowsing(this);
return NS_OK;
}
NS_IMETHODIMP
HttpBaseChannel::GetContentType(nsACString& aContentType)
{
if (!mResponseHead) {
aContentType.Truncate();
return NS_ERROR_NOT_AVAILABLE;
}
if (!mResponseHead->ContentType().IsEmpty()) {
aContentType = mResponseHead->ContentType();
return NS_OK;
}
aContentType.AssignLiteral(UNKNOWN_CONTENT_TYPE);
return NS_OK;
}
NS_IMETHODIMP
HttpBaseChannel::SetContentType(const nsACString& aContentType)
{
if (mListener || mWasOpened) {
if (!mResponseHead)
return NS_ERROR_NOT_AVAILABLE;
nsAutoCString contentTypeBuf, charsetBuf;
bool hadCharset;
net_ParseContentType(aContentType, contentTypeBuf, charsetBuf, &hadCharset);
mResponseHead->SetContentType(contentTypeBuf);
// take care not to stomp on an existing charset
if (hadCharset)
mResponseHead->SetContentCharset(charsetBuf);
} else {
// We are being given a content-type hint.
bool dummy;
net_ParseContentType(aContentType, mContentTypeHint, mContentCharsetHint,
&dummy);
}
return NS_OK;
}
NS_IMETHODIMP
HttpBaseChannel::GetContentCharset(nsACString& aContentCharset)
{
if (!mResponseHead)
return NS_ERROR_NOT_AVAILABLE;
aContentCharset = mResponseHead->ContentCharset();
return NS_OK;
}
NS_IMETHODIMP
HttpBaseChannel::SetContentCharset(const nsACString& aContentCharset)
{
if (mListener) {
if (!mResponseHead)
return NS_ERROR_NOT_AVAILABLE;
mResponseHead->SetContentCharset(aContentCharset);
} else {
// Charset hint
mContentCharsetHint = aContentCharset;
}
return NS_OK;
}
NS_IMETHODIMP
HttpBaseChannel::GetContentDisposition(uint32_t *aContentDisposition)
{
nsresult rv;
nsCString header;
rv = GetContentDispositionHeader(header);
if (NS_FAILED(rv)) {
if (mContentDispositionHint == UINT32_MAX)
return rv;
*aContentDisposition = mContentDispositionHint;
return NS_OK;
}
*aContentDisposition = NS_GetContentDispositionFromHeader(header, this);
return NS_OK;
}
NS_IMETHODIMP
HttpBaseChannel::SetContentDisposition(uint32_t aContentDisposition)
{
mContentDispositionHint = aContentDisposition;
return NS_OK;
}
NS_IMETHODIMP
HttpBaseChannel::GetContentDispositionFilename(nsAString& aContentDispositionFilename)
{
aContentDispositionFilename.Truncate();
nsresult rv;
nsCString header;
rv = GetContentDispositionHeader(header);
if (NS_FAILED(rv)) {
if (!mContentDispositionFilename)
return rv;
aContentDispositionFilename = *mContentDispositionFilename;
return NS_OK;
}
return NS_GetFilenameFromDisposition(aContentDispositionFilename,
header, mURI);
}
NS_IMETHODIMP
HttpBaseChannel::SetContentDispositionFilename(const nsAString& aContentDispositionFilename)
{
mContentDispositionFilename = new nsString(aContentDispositionFilename);
return NS_OK;
}
NS_IMETHODIMP
HttpBaseChannel::GetContentDispositionHeader(nsACString& aContentDispositionHeader)
{
if (!mResponseHead)
return NS_ERROR_NOT_AVAILABLE;
nsresult rv = mResponseHead->GetHeader(nsHttp::Content_Disposition,
aContentDispositionHeader);
if (NS_FAILED(rv) || aContentDispositionHeader.IsEmpty())
return NS_ERROR_NOT_AVAILABLE;
return NS_OK;
}
NS_IMETHODIMP
HttpBaseChannel::GetContentLength(int64_t *aContentLength)
{
NS_ENSURE_ARG_POINTER(aContentLength);
if (!mResponseHead)
return NS_ERROR_NOT_AVAILABLE;
*aContentLength = mResponseHead->ContentLength();
return NS_OK;
}
NS_IMETHODIMP
HttpBaseChannel::SetContentLength(int64_t value)
{
NS_NOTYETIMPLEMENTED("HttpBaseChannel::SetContentLength");
return NS_ERROR_NOT_IMPLEMENTED;
}
NS_IMETHODIMP
HttpBaseChannel::Open(nsIInputStream **aResult)
{
NS_ENSURE_TRUE(!mWasOpened, NS_ERROR_IN_PROGRESS);
return NS_ImplementChannelOpen(this, aResult);
}
//-----------------------------------------------------------------------------
// HttpBaseChannel::nsIUploadChannel
//-----------------------------------------------------------------------------
NS_IMETHODIMP
HttpBaseChannel::GetUploadStream(nsIInputStream **stream)
{
NS_ENSURE_ARG_POINTER(stream);
*stream = mUploadStream;
NS_IF_ADDREF(*stream);
return NS_OK;
}
NS_IMETHODIMP
HttpBaseChannel::SetUploadStream(nsIInputStream *stream,
const nsACString &contentType,
int64_t contentLength)
{
// NOTE: for backwards compatibility and for compatibility with old style
// plugins, |stream| may include headers, specifically Content-Type and
// Content-Length headers. in this case, |contentType| and |contentLength|
// would be unspecified. this is traditionally the case of a POST request,
// and so we select POST as the request method if contentType and
// contentLength are unspecified.
if (stream) {
nsAutoCString method;
bool hasHeaders;
if (contentType.IsEmpty()) {
method = NS_LITERAL_CSTRING("POST");
hasHeaders = true;
} else {
method = NS_LITERAL_CSTRING("PUT");
hasHeaders = false;
}
return ExplicitSetUploadStream(stream, contentType, contentLength,
method, hasHeaders);
}
// if stream is null, ExplicitSetUploadStream returns error.
// So we need special case for GET method.
mUploadStreamHasHeaders = false;
mRequestHead.SetMethod(NS_LITERAL_CSTRING("GET")); // revert to GET request
mUploadStream = stream;
return NS_OK;
}
//-----------------------------------------------------------------------------
// HttpBaseChannel::nsIUploadChannel2
//-----------------------------------------------------------------------------
NS_IMETHODIMP
HttpBaseChannel::ExplicitSetUploadStream(nsIInputStream *aStream,
const nsACString &aContentType,
int64_t aContentLength,
const nsACString &aMethod,
bool aStreamHasHeaders)
{
// Ensure stream is set and method is valid
NS_ENSURE_TRUE(aStream, NS_ERROR_FAILURE);
if (aContentLength < 0 && !aStreamHasHeaders) {
nsresult rv = aStream->Available(reinterpret_cast<uint64_t*>(&aContentLength));
if (NS_FAILED(rv) || aContentLength < 0) {
NS_ERROR("unable to determine content length");
return NS_ERROR_FAILURE;
}
}
nsresult rv = SetRequestMethod(aMethod);
NS_ENSURE_SUCCESS(rv, rv);
if (!aStreamHasHeaders) {
// SetRequestHeader propagates headers to chrome if HttpChannelChild
nsAutoCString contentLengthStr;
contentLengthStr.AppendInt(aContentLength);
SetRequestHeader(NS_LITERAL_CSTRING("Content-Length"), contentLengthStr,
false);
SetRequestHeader(NS_LITERAL_CSTRING("Content-Type"), aContentType,
false);
}
mUploadStreamHasHeaders = aStreamHasHeaders;
mUploadStream = aStream;
return NS_OK;
}
NS_IMETHODIMP
HttpBaseChannel::GetUploadStreamHasHeaders(bool *hasHeaders)
{
NS_ENSURE_ARG(hasHeaders);
*hasHeaders = mUploadStreamHasHeaders;
return NS_OK;
}
//-----------------------------------------------------------------------------
// HttpBaseChannel::nsIEncodedChannel
//-----------------------------------------------------------------------------
NS_IMETHODIMP
HttpBaseChannel::GetApplyConversion(bool *value)
{
*value = mApplyConversion;
return NS_OK;
}
NS_IMETHODIMP
HttpBaseChannel::SetApplyConversion(bool value)
{
LOG(("HttpBaseChannel::SetApplyConversion [this=%p value=%d]\n", this, value));
mApplyConversion = value;
return NS_OK;
}
nsresult
HttpBaseChannel::ApplyContentConversions()
{
if (!mResponseHead)
return NS_OK;
LOG(("HttpBaseChannel::ApplyContentConversions [this=%p]\n", this));
if (!mApplyConversion) {
LOG(("not applying conversion per mApplyConversion\n"));
return NS_OK;
}
nsAutoCString contentEncoding;
char *cePtr, *val;
nsresult rv;
rv = mResponseHead->GetHeader(nsHttp::Content_Encoding, contentEncoding);
if (NS_FAILED(rv) || contentEncoding.IsEmpty())
return NS_OK;
// The encodings are listed in the order they were applied
// (see rfc 2616 section 14.11), so they need to removed in reverse
// order. This is accomplished because the converter chain ends up
// being a stack with the last converter created being the first one
// to accept the raw network data.
cePtr = contentEncoding.BeginWriting();
uint32_t count = 0;
while ((val = nsCRT::strtok(cePtr, HTTP_LWS ",", &cePtr))) {
if (++count > 16) {
// That's ridiculous. We only understand 2 different ones :)
// but for compatibility with old code, we will just carry on without
// removing the encodings
LOG(("Too many Content-Encodings. Ignoring remainder.\n"));
break;
}
if (gHttpHandler->IsAcceptableEncoding(val)) {
nsCOMPtr<nsIStreamConverterService> serv;
rv = gHttpHandler->GetStreamConverterService(getter_AddRefs(serv));
// we won't fail to load the page just because we couldn't load the
// stream converter service.. carry on..
if (NS_FAILED(rv)) {
if (val)
LOG(("Unknown content encoding '%s', ignoring\n", val));
continue;
}
nsCOMPtr<nsIStreamListener> converter;
nsAutoCString from(val);
ToLowerCase(from);
rv = serv->AsyncConvertData(from.get(),
"uncompressed",
mListener,
mListenerContext,
getter_AddRefs(converter));
if (NS_FAILED(rv)) {
LOG(("Unexpected failure of AsyncConvertData %s\n", val));
return rv;
}
LOG(("converter removed '%s' content-encoding\n", val));
mListener = converter;
}
else {
if (val)
LOG(("Unknown content encoding '%s', ignoring\n", val));
}
}
return NS_OK;
}
NS_IMETHODIMP
HttpBaseChannel::GetContentEncodings(nsIUTF8StringEnumerator** aEncodings)
{
if (!mResponseHead) {
*aEncodings = nullptr;
return NS_OK;
}
const char *encoding = mResponseHead->PeekHeader(nsHttp::Content_Encoding);
if (!encoding) {
*aEncodings = nullptr;
return NS_OK;
}
nsContentEncodings* enumerator = new nsContentEncodings(this, encoding);
NS_ADDREF(*aEncodings = enumerator);
return NS_OK;
}
//-----------------------------------------------------------------------------
// HttpBaseChannel::nsContentEncodings <public>
//-----------------------------------------------------------------------------
HttpBaseChannel::nsContentEncodings::nsContentEncodings(nsIHttpChannel* aChannel,
const char* aEncodingHeader)
: mEncodingHeader(aEncodingHeader)
, mChannel(aChannel)
, mReady(false)
{
mCurEnd = aEncodingHeader + strlen(aEncodingHeader);
mCurStart = mCurEnd;
}
HttpBaseChannel::nsContentEncodings::~nsContentEncodings()
{
}
//-----------------------------------------------------------------------------
// HttpBaseChannel::nsContentEncodings::nsISimpleEnumerator
//-----------------------------------------------------------------------------
NS_IMETHODIMP
HttpBaseChannel::nsContentEncodings::HasMore(bool* aMoreEncodings)
{
if (mReady) {
*aMoreEncodings = true;
return NS_OK;
}
nsresult rv = PrepareForNext();
*aMoreEncodings = NS_SUCCEEDED(rv);
return NS_OK;
}
NS_IMETHODIMP
HttpBaseChannel::nsContentEncodings::GetNext(nsACString& aNextEncoding)
{
aNextEncoding.Truncate();
if (!mReady) {
nsresult rv = PrepareForNext();
if (NS_FAILED(rv)) {
return NS_ERROR_FAILURE;
}
}
const nsACString & encoding = Substring(mCurStart, mCurEnd);
nsACString::const_iterator start, end;
encoding.BeginReading(start);
encoding.EndReading(end);
bool haveType = false;
if (CaseInsensitiveFindInReadable(NS_LITERAL_CSTRING("gzip"), start, end)) {
aNextEncoding.AssignLiteral(APPLICATION_GZIP);
haveType = true;
}
if (!haveType) {
encoding.BeginReading(start);
if (CaseInsensitiveFindInReadable(NS_LITERAL_CSTRING("compress"), start, end)) {
aNextEncoding.AssignLiteral(APPLICATION_COMPRESS);
haveType = true;
}
}
if (!haveType) {
encoding.BeginReading(start);
if (CaseInsensitiveFindInReadable(NS_LITERAL_CSTRING("deflate"), start, end)) {
aNextEncoding.AssignLiteral(APPLICATION_ZIP);
haveType = true;
}
}
// Prepare to fetch the next encoding
mCurEnd = mCurStart;
mReady = false;
if (haveType)
return NS_OK;
NS_WARNING("Unknown encoding type");
return NS_ERROR_FAILURE;
}
//-----------------------------------------------------------------------------
// HttpBaseChannel::nsContentEncodings::nsISupports
//-----------------------------------------------------------------------------
NS_IMPL_ISUPPORTS(HttpBaseChannel::nsContentEncodings, nsIUTF8StringEnumerator)
//-----------------------------------------------------------------------------
// HttpBaseChannel::nsContentEncodings <private>
//-----------------------------------------------------------------------------
nsresult
HttpBaseChannel::nsContentEncodings::PrepareForNext(void)
{
MOZ_ASSERT(mCurStart == mCurEnd, "Indeterminate state");
// At this point both mCurStart and mCurEnd point to somewhere
// past the end of the next thing we want to return
while (mCurEnd != mEncodingHeader) {
--mCurEnd;
if (*mCurEnd != ',' && !nsCRT::IsAsciiSpace(*mCurEnd))
break;
}
if (mCurEnd == mEncodingHeader)
return NS_ERROR_NOT_AVAILABLE; // no more encodings
++mCurEnd;
// At this point mCurEnd points to the first char _after_ the
// header we want. Furthermore, mCurEnd - 1 != mEncodingHeader
mCurStart = mCurEnd - 1;
while (mCurStart != mEncodingHeader &&
*mCurStart != ',' && !nsCRT::IsAsciiSpace(*mCurStart))
--mCurStart;
if (*mCurStart == ',' || nsCRT::IsAsciiSpace(*mCurStart))
++mCurStart; // we stopped because of a weird char, so move up one
// At this point mCurStart and mCurEnd bracket the encoding string
// we want. Check that it's not "identity"
if (Substring(mCurStart, mCurEnd).Equals("identity",
nsCaseInsensitiveCStringComparator())) {
mCurEnd = mCurStart;
return PrepareForNext();
}
mReady = true;
return NS_OK;
}
//-----------------------------------------------------------------------------
// HttpBaseChannel::nsIHttpChannel
//-----------------------------------------------------------------------------
NS_IMETHODIMP
HttpBaseChannel::GetRequestMethod(nsACString& aMethod)
{
aMethod = mRequestHead.Method();
return NS_OK;
}
NS_IMETHODIMP
HttpBaseChannel::SetRequestMethod(const nsACString& aMethod)
{
ENSURE_CALLED_BEFORE_CONNECT();
const nsCString& flatMethod = PromiseFlatCString(aMethod);
// Method names are restricted to valid HTTP tokens.
if (!nsHttp::IsValidToken(flatMethod))
return NS_ERROR_INVALID_ARG;
mRequestHead.SetMethod(flatMethod);
return NS_OK;
}
NS_IMETHODIMP
HttpBaseChannel::GetReferrer(nsIURI **referrer)
{
NS_ENSURE_ARG_POINTER(referrer);
*referrer = mReferrer;
NS_IF_ADDREF(*referrer);
return NS_OK;
}
NS_IMETHODIMP
HttpBaseChannel::SetReferrer(nsIURI *referrer)
{
ENSURE_CALLED_BEFORE_CONNECT();
// clear existing referrer, if any
mReferrer = nullptr;
mRequestHead.ClearHeader(nsHttp::Referer);
if (!referrer)
return NS_OK;
// 0: never send referer
// 1: send referer for direct user action
// 2: always send referer
uint32_t userReferrerLevel = gHttpHandler->ReferrerLevel();
// false: use real referrer
// true: spoof with URI of the current request
bool userSpoofReferrerSource = gHttpHandler->SpoofReferrerSource();
// 0: full URI
// 1: scheme+host+port+path
// 2: scheme+host+port
int userReferrerTrimmingPolicy = gHttpHandler->ReferrerTrimmingPolicy();
// 0: send referer no matter what
// 1: send referer ONLY when base domains match
// 2: send referer ONLY when hosts match
int userReferrerXOriginPolicy = gHttpHandler->ReferrerXOriginPolicy();
// check referrer blocking pref
uint32_t referrerLevel;
if (mLoadFlags & LOAD_INITIAL_DOCUMENT_URI)
referrerLevel = 1; // user action
else
referrerLevel = 2; // inline content
if (userReferrerLevel < referrerLevel)
return NS_OK;
nsCOMPtr<nsIURI> referrerGrip;
nsresult rv;
bool match;
//
// Strip off "wyciwyg://123/" from wyciwyg referrers.
//
// XXX this really belongs elsewhere since wyciwyg URLs aren't part of necko.
// perhaps some sort of generic nsINestedURI could be used. then, if an URI
// fails the whitelist test, then we could check for an inner URI and try
// that instead. though, that might be too automatic.
//
rv = referrer->SchemeIs("wyciwyg", &match);
if (NS_FAILED(rv)) return rv;
if (match) {
nsAutoCString path;
rv = referrer->GetPath(path);
if (NS_FAILED(rv)) return rv;
uint32_t pathLength = path.Length();
if (pathLength <= 2) return NS_ERROR_FAILURE;
// Path is of the form "//123/http://foo/bar", with a variable number of
// digits. To figure out where the "real" URL starts, search path for a
// '/', starting at the third character.
int32_t slashIndex = path.FindChar('/', 2);
if (slashIndex == kNotFound) return NS_ERROR_FAILURE;
// Get charset of the original URI so we can pass it to our fixed up URI.
nsAutoCString charset;
referrer->GetOriginCharset(charset);
// Replace |referrer| with a URI without wyciwyg://123/.
rv = NS_NewURI(getter_AddRefs(referrerGrip),
Substring(path, slashIndex + 1, pathLength - slashIndex - 1),
charset.get());
if (NS_FAILED(rv)) return rv;
referrer = referrerGrip.get();
}
//
// block referrer if not on our white list...
//
static const char *const referrerWhiteList[] = {
"http",
"https",
"ftp",
nullptr
};
match = false;
const char *const *scheme = referrerWhiteList;
for (; *scheme && !match; ++scheme) {
rv = referrer->SchemeIs(*scheme, &match);
if (NS_FAILED(rv)) return rv;
}
if (!match)
return NS_OK; // kick out....
//
// Handle secure referrals.
//
// Support referrals from a secure server if this is a secure site
// and (optionally) if the host names are the same.
//
rv = referrer->SchemeIs("https", &match);
if (NS_FAILED(rv)) return rv;
if (match) {
rv = mURI->SchemeIs("https", &match);
if (NS_FAILED(rv)) return rv;
if (!match)
return NS_OK;
if (!gHttpHandler->SendSecureXSiteReferrer()) {
nsAutoCString referrerHost;
nsAutoCString host;
rv = referrer->GetAsciiHost(referrerHost);
if (NS_FAILED(rv)) return rv;
rv = mURI->GetAsciiHost(host);
if (NS_FAILED(rv)) return rv;
// GetAsciiHost returns lowercase hostname.
if (!referrerHost.Equals(host))
return NS_OK;
}
}
nsCOMPtr<nsIURI> clone;
//
// we need to clone the referrer, so we can:
// (1) modify it
// (2) keep a reference to it after returning from this function
//
// Use CloneIgnoringRef to strip away any fragment per RFC 2616 section 14.36
rv = referrer->CloneIgnoringRef(getter_AddRefs(clone));
if (NS_FAILED(rv)) return rv;
nsAutoCString currentHost;
nsAutoCString referrerHost;
rv = mURI->GetAsciiHost(currentHost);
if (NS_FAILED(rv)) return rv;
rv = clone->GetAsciiHost(referrerHost);
if (NS_FAILED(rv)) return rv;
// check policy for sending ref only when hosts match
if (userReferrerXOriginPolicy == 2 && !currentHost.Equals(referrerHost))
return NS_OK;
if (userReferrerXOriginPolicy == 1) {
nsAutoCString currentDomain = currentHost;
nsAutoCString referrerDomain = referrerHost;
uint32_t extraDomains = 0;
nsCOMPtr<nsIEffectiveTLDService> eTLDService = do_GetService(
NS_EFFECTIVETLDSERVICE_CONTRACTID);
if (eTLDService) {
rv = eTLDService->GetBaseDomain(mURI, extraDomains, currentDomain);
if (NS_FAILED(rv)) return rv;
rv = eTLDService->GetBaseDomain(clone, extraDomains, referrerDomain);
if (NS_FAILED(rv)) return rv;
}
// check policy for sending only when effective top level domain matches.
// this falls back on using host if eTLDService does not work
if (!currentDomain.Equals(referrerDomain))
return NS_OK;
}
// send spoofed referrer if desired
if (userSpoofReferrerSource) {
nsCOMPtr<nsIURI> mURIclone;
rv = mURI->CloneIgnoringRef(getter_AddRefs(mURIclone));
if (NS_FAILED(rv)) return rv;
clone = mURIclone;
currentHost = referrerHost;
}
// strip away any userpass; we don't want to be giving out passwords ;-)
rv = clone->SetUserPass(EmptyCString());
if (NS_FAILED(rv)) return rv;
nsAutoCString spec;
// check how much referer to send
switch (userReferrerTrimmingPolicy) {
case 1: {
// scheme+host+port+path
nsAutoCString prepath, path;
rv = clone->GetPrePath(prepath);
if (NS_FAILED(rv)) return rv;
nsCOMPtr<nsIURL> url(do_QueryInterface(clone));
if (!url) {
// if this isn't a url, play it safe
// and just send the prepath
spec = prepath;
break;
}
rv = url->GetFilePath(path);
if (NS_FAILED(rv)) return rv;
spec = prepath + path;
break;
}
case 2:
// scheme+host+port
rv = clone->GetPrePath(spec);
if (NS_FAILED(rv)) return rv;
break;
default:
// full URI
rv = clone->GetAsciiSpec(spec);
if (NS_FAILED(rv)) return rv;
break;
}
// finally, remember the referrer URI and set the Referer header.
mReferrer = clone;
mRequestHead.SetHeader(nsHttp::Referer, spec);
return NS_OK;
}
NS_IMETHODIMP
HttpBaseChannel::GetRequestHeader(const nsACString& aHeader,
nsACString& aValue)
{
// XXX might be better to search the header list directly instead of
// hitting the http atom hash table.
nsHttpAtom atom = nsHttp::ResolveAtom(aHeader);
if (!atom)
return NS_ERROR_NOT_AVAILABLE;
return mRequestHead.GetHeader(atom, aValue);
}
NS_IMETHODIMP
HttpBaseChannel::SetRequestHeader(const nsACString& aHeader,
const nsACString& aValue,
bool aMerge)
{
const nsCString &flatHeader = PromiseFlatCString(aHeader);
const nsCString &flatValue = PromiseFlatCString(aValue);
LOG(("HttpBaseChannel::SetRequestHeader [this=%p header=\"%s\" value=\"%s\" merge=%u]\n",
this, flatHeader.get(), flatValue.get(), aMerge));
// Verify header names are valid HTTP tokens and header values are reasonably
// close to whats allowed in RFC 2616.
if (!nsHttp::IsValidToken(flatHeader) ||
!nsHttp::IsReasonableHeaderValue(flatValue)) {
return NS_ERROR_INVALID_ARG;
}
nsHttpAtom atom = nsHttp::ResolveAtom(flatHeader.get());
if (!atom) {
NS_WARNING("failed to resolve atom");
return NS_ERROR_NOT_AVAILABLE;
}
return mRequestHead.SetHeader(atom, flatValue, aMerge);
}
NS_IMETHODIMP
HttpBaseChannel::VisitRequestHeaders(nsIHttpHeaderVisitor *visitor)
{
return mRequestHead.Headers().VisitHeaders(visitor);
}
NS_IMETHODIMP
HttpBaseChannel::GetResponseHeader(const nsACString &header, nsACString &value)
{
if (!mResponseHead)
return NS_ERROR_NOT_AVAILABLE;
nsHttpAtom atom = nsHttp::ResolveAtom(header);
if (!atom)
return NS_ERROR_NOT_AVAILABLE;
return mResponseHead->GetHeader(atom, value);
}
NS_IMETHODIMP
HttpBaseChannel::SetResponseHeader(const nsACString& header,
const nsACString& value,
bool merge)
{
LOG(("HttpBaseChannel::SetResponseHeader [this=%p header=\"%s\" value=\"%s\" merge=%u]\n",
this, PromiseFlatCString(header).get(), PromiseFlatCString(value).get(), merge));
if (!mResponseHead)
return NS_ERROR_NOT_AVAILABLE;
nsHttpAtom atom = nsHttp::ResolveAtom(header);
if (!atom)
return NS_ERROR_NOT_AVAILABLE;
// these response headers must not be changed
if (atom == nsHttp::Content_Type ||
atom == nsHttp::Content_Length ||
atom == nsHttp::Content_Encoding ||
atom == nsHttp::Trailer ||
atom == nsHttp::Transfer_Encoding)
return NS_ERROR_ILLEGAL_VALUE;
mResponseHeadersModified = true;
return mResponseHead->SetHeader(atom, value, merge);
}
NS_IMETHODIMP
HttpBaseChannel::VisitResponseHeaders(nsIHttpHeaderVisitor *visitor)
{
if (!mResponseHead)
return NS_ERROR_NOT_AVAILABLE;
return mResponseHead->Headers().VisitHeaders(visitor);
}
NS_IMETHODIMP
HttpBaseChannel::GetAllowPipelining(bool *value)
{
NS_ENSURE_ARG_POINTER(value);
*value = mAllowPipelining;
return NS_OK;
}
NS_IMETHODIMP
HttpBaseChannel::SetAllowPipelining(bool value)
{
ENSURE_CALLED_BEFORE_CONNECT();
mAllowPipelining = value;
return NS_OK;
}
NS_IMETHODIMP
HttpBaseChannel::GetAllowSTS(bool *value)
{
NS_ENSURE_ARG_POINTER(value);
*value = mAllowSTS;
return NS_OK;
}
NS_IMETHODIMP
HttpBaseChannel::SetAllowSTS(bool value)
{
ENSURE_CALLED_BEFORE_CONNECT();
mAllowSTS = value;
return NS_OK;
}
NS_IMETHODIMP
HttpBaseChannel::GetRedirectionLimit(uint32_t *value)
{
NS_ENSURE_ARG_POINTER(value);
*value = mRedirectionLimit;
return NS_OK;
}
NS_IMETHODIMP
HttpBaseChannel::SetRedirectionLimit(uint32_t value)
{
ENSURE_CALLED_BEFORE_CONNECT();
mRedirectionLimit = std::min<uint32_t>(value, 0xff);
return NS_OK;
}
NS_IMETHODIMP
HttpBaseChannel::IsNoStoreResponse(bool *value)
{
if (!mResponseHead)
return NS_ERROR_NOT_AVAILABLE;
*value = mResponseHead->NoStore();
return NS_OK;
}
NS_IMETHODIMP
HttpBaseChannel::IsNoCacheResponse(bool *value)
{
if (!mResponseHead)
return NS_ERROR_NOT_AVAILABLE;
*value = mResponseHead->NoCache();
if (!*value)
*value = mResponseHead->ExpiresInPast();
return NS_OK;
}
NS_IMETHODIMP
HttpBaseChannel::GetResponseStatus(uint32_t *aValue)
{
if (!mResponseHead)
return NS_ERROR_NOT_AVAILABLE;
*aValue = mResponseHead->Status();
return NS_OK;
}
NS_IMETHODIMP
HttpBaseChannel::GetResponseStatusText(nsACString& aValue)
{
if (!mResponseHead)
return NS_ERROR_NOT_AVAILABLE;
aValue = mResponseHead->StatusText();
return NS_OK;
}
NS_IMETHODIMP
HttpBaseChannel::GetRequestSucceeded(bool *aValue)
{
if (!mResponseHead)
return NS_ERROR_NOT_AVAILABLE;
uint32_t status = mResponseHead->Status();
*aValue = (status / 100 == 2);
return NS_OK;
}
NS_IMETHODIMP
HttpBaseChannel::RedirectTo(nsIURI *newURI)
{
// We can only redirect unopened channels
ENSURE_CALLED_BEFORE_CONNECT();
// The redirect is stored internally for use in AsyncOpen
mAPIRedirectToURI = newURI;
return NS_OK;
}
//-----------------------------------------------------------------------------
// HttpBaseChannel::nsIHttpChannelInternal
//-----------------------------------------------------------------------------
NS_IMETHODIMP
HttpBaseChannel::GetDocumentURI(nsIURI **aDocumentURI)
{
NS_ENSURE_ARG_POINTER(aDocumentURI);
*aDocumentURI = mDocumentURI;
NS_IF_ADDREF(*aDocumentURI);
return NS_OK;
}
NS_IMETHODIMP
HttpBaseChannel::SetDocumentURI(nsIURI *aDocumentURI)
{
ENSURE_CALLED_BEFORE_CONNECT();
mDocumentURI = aDocumentURI;
return NS_OK;
}
NS_IMETHODIMP
HttpBaseChannel::GetRequestVersion(uint32_t *major, uint32_t *minor)
{
nsHttpVersion version = mRequestHead.Version();
if (major) { *major = version / 10; }
if (minor) { *minor = version % 10; }
return NS_OK;
}
NS_IMETHODIMP
HttpBaseChannel::GetResponseVersion(uint32_t *major, uint32_t *minor)
{
if (!mResponseHead)
{
*major = *minor = 0; // we should at least be kind about it
return NS_ERROR_NOT_AVAILABLE;
}
nsHttpVersion version = mResponseHead->Version();
if (major) { *major = version / 10; }
if (minor) { *minor = version % 10; }
return NS_OK;
}
namespace {
class CookieNotifierRunnable : public nsRunnable
{
public:
CookieNotifierRunnable(HttpBaseChannel* aChannel, char const * aCookie)
: mChannel(aChannel), mCookie(aCookie)
{ }
NS_IMETHOD Run()
{
nsCOMPtr<nsIObserverService> obs = services::GetObserverService();
if (obs) {
obs->NotifyObservers(static_cast<nsIChannel*>(mChannel.get()),
"http-on-response-set-cookie",
mCookie.get());
}
return NS_OK;
}
private:
nsRefPtr<HttpBaseChannel> mChannel;
NS_ConvertASCIItoUTF16 mCookie;
};
} // anonymous namespace
NS_IMETHODIMP
HttpBaseChannel::SetCookie(const char *aCookieHeader)
{
if (mLoadFlags & LOAD_ANONYMOUS)
return NS_OK;
// empty header isn't an error
if (!(aCookieHeader && *aCookieHeader))
return NS_OK;
nsICookieService *cs = gHttpHandler->GetCookieService();
NS_ENSURE_TRUE(cs, NS_ERROR_FAILURE);
nsresult rv =
cs->SetCookieStringFromHttp(mURI, nullptr, nullptr, aCookieHeader,
mResponseHead->PeekHeader(nsHttp::Date), this);
if (NS_SUCCEEDED(rv)) {
nsRefPtr<CookieNotifierRunnable> r =
new CookieNotifierRunnable(this, aCookieHeader);
NS_DispatchToMainThread(r);
}
return rv;
}
NS_IMETHODIMP
HttpBaseChannel::GetForceAllowThirdPartyCookie(bool *aForce)
{
*aForce = mForceAllowThirdPartyCookie;
return NS_OK;
}
NS_IMETHODIMP
HttpBaseChannel::SetForceAllowThirdPartyCookie(bool aForce)
{
ENSURE_CALLED_BEFORE_ASYNC_OPEN();
mForceAllowThirdPartyCookie = aForce;
return NS_OK;
}
NS_IMETHODIMP
HttpBaseChannel::GetCanceled(bool *aCanceled)
{
*aCanceled = mCanceled;
return NS_OK;
}
NS_IMETHODIMP
HttpBaseChannel::GetChannelIsForDownload(bool *aChannelIsForDownload)
{
*aChannelIsForDownload = mChannelIsForDownload;
return NS_OK;
}
NS_IMETHODIMP
HttpBaseChannel::SetChannelIsForDownload(bool aChannelIsForDownload)
{
mChannelIsForDownload = aChannelIsForDownload;
return NS_OK;
}
NS_IMETHODIMP
HttpBaseChannel::SetCacheKeysRedirectChain(nsTArray<nsCString> *cacheKeys)
{
mRedirectedCachekeys = cacheKeys;
return NS_OK;
}
NS_IMETHODIMP
HttpBaseChannel::GetLocalAddress(nsACString& addr)
{
if (mSelfAddr.raw.family == PR_AF_UNSPEC)
return NS_ERROR_NOT_AVAILABLE;
addr.SetCapacity(kIPv6CStrBufSize);
NetAddrToString(&mSelfAddr, addr.BeginWriting(), kIPv6CStrBufSize);
addr.SetLength(strlen(addr.BeginReading()));
return NS_OK;
}
NS_IMETHODIMP
HttpBaseChannel::TakeAllSecurityMessages(
nsCOMArray<nsISecurityConsoleMessage> &aMessages)
{
aMessages.Clear();
aMessages.SwapElements(mSecurityConsoleMessages);
return NS_OK;
}
/* Please use this method with care. This can cause the message
* queue to grow large and cause the channel to take up a lot
* of memory. Use only static string messages and do not add
* server side data to the queue, as that can be large.
* Add only a limited number of messages to the queue to keep
* the channel size down and do so only in rare erroneous situations.
* More information can be found here:
* https://bugzilla.mozilla.org/show_bug.cgi?id=846918
*/
NS_IMETHODIMP
HttpBaseChannel::AddSecurityMessage(const nsAString &aMessageTag,
const nsAString &aMessageCategory)
{
nsresult rv;
nsCOMPtr<nsISecurityConsoleMessage> message =
do_CreateInstance(NS_SECURITY_CONSOLE_MESSAGE_CONTRACTID, &rv);
NS_ENSURE_SUCCESS(rv, rv);
message->SetTag(aMessageTag);
message->SetCategory(aMessageCategory);
mSecurityConsoleMessages.AppendElement(message);
return NS_OK;
}
NS_IMETHODIMP
HttpBaseChannel::GetLocalPort(int32_t* port)
{
NS_ENSURE_ARG_POINTER(port);
if (mSelfAddr.raw.family == PR_AF_INET) {
*port = (int32_t)ntohs(mSelfAddr.inet.port);
}
else if (mSelfAddr.raw.family == PR_AF_INET6) {
*port = (int32_t)ntohs(mSelfAddr.inet6.port);
}
else
return NS_ERROR_NOT_AVAILABLE;
return NS_OK;
}
NS_IMETHODIMP
HttpBaseChannel::GetRemoteAddress(nsACString& addr)
{
if (mPeerAddr.raw.family == PR_AF_UNSPEC)
return NS_ERROR_NOT_AVAILABLE;
addr.SetCapacity(kIPv6CStrBufSize);
NetAddrToString(&mPeerAddr, addr.BeginWriting(), kIPv6CStrBufSize);
addr.SetLength(strlen(addr.BeginReading()));
return NS_OK;
}
NS_IMETHODIMP
HttpBaseChannel::GetRemotePort(int32_t* port)
{
NS_ENSURE_ARG_POINTER(port);
if (mPeerAddr.raw.family == PR_AF_INET) {
*port = (int32_t)ntohs(mPeerAddr.inet.port);
}
else if (mPeerAddr.raw.family == PR_AF_INET6) {
*port = (int32_t)ntohs(mPeerAddr.inet6.port);
}
else
return NS_ERROR_NOT_AVAILABLE;
return NS_OK;
}
NS_IMETHODIMP
HttpBaseChannel::HTTPUpgrade(const nsACString &aProtocolName,
nsIHttpUpgradeListener *aListener)
{
NS_ENSURE_ARG(!aProtocolName.IsEmpty());
NS_ENSURE_ARG_POINTER(aListener);
mUpgradeProtocol = aProtocolName;
mUpgradeProtocolCallback = aListener;
return NS_OK;
}
NS_IMETHODIMP
HttpBaseChannel::GetAllowSpdy(bool *aAllowSpdy)
{
NS_ENSURE_ARG_POINTER(aAllowSpdy);
*aAllowSpdy = mAllowSpdy;
return NS_OK;
}
NS_IMETHODIMP
HttpBaseChannel::SetAllowSpdy(bool aAllowSpdy)
{
mAllowSpdy = aAllowSpdy;
return NS_OK;
}
NS_IMETHODIMP
HttpBaseChannel::GetLoadAsBlocking(bool *aLoadAsBlocking)
{
NS_ENSURE_ARG_POINTER(aLoadAsBlocking);
*aLoadAsBlocking = mLoadAsBlocking;
return NS_OK;
}
NS_IMETHODIMP
HttpBaseChannel::SetLoadAsBlocking(bool aLoadAsBlocking)
{
mLoadAsBlocking = aLoadAsBlocking;
return NS_OK;
}
NS_IMETHODIMP
HttpBaseChannel::GetLoadUnblocked(bool *aLoadUnblocked)
{
NS_ENSURE_ARG_POINTER(aLoadUnblocked);
*aLoadUnblocked = mLoadUnblocked;
return NS_OK;
}
NS_IMETHODIMP
HttpBaseChannel::SetLoadUnblocked(bool aLoadUnblocked)
{
mLoadUnblocked = aLoadUnblocked;
return NS_OK;
}
NS_IMETHODIMP
HttpBaseChannel::GetApiRedirectToURI(nsIURI ** aResult)
{
NS_ENSURE_ARG_POINTER(aResult);
NS_IF_ADDREF(*aResult = mAPIRedirectToURI);
return NS_OK;
}
NS_IMETHODIMP
HttpBaseChannel::GetResponseTimeoutEnabled(bool *aEnable)
{
if (NS_WARN_IF(!aEnable)) {
return NS_ERROR_NULL_POINTER;
}
*aEnable = mResponseTimeoutEnabled;
return NS_OK;
}
NS_IMETHODIMP
HttpBaseChannel::SetResponseTimeoutEnabled(bool aEnable)
{
mResponseTimeoutEnabled = aEnable;
return NS_OK;
}
NS_IMETHODIMP
HttpBaseChannel::AddRedirect(nsIPrincipal *aRedirect)
{
mRedirects.AppendObject(aRedirect);
return NS_OK;
}
NS_IMETHODIMP
HttpBaseChannel::ForcePending(bool aForcePending)
{
mForcePending = aForcePending;
return NS_OK;
}
NS_IMETHODIMP
HttpBaseChannel::GetLastModifiedTime(PRTime* lastModifiedTime)
{
if (!mResponseHead)
return NS_ERROR_NOT_AVAILABLE;
uint32_t lastMod;
mResponseHead->GetLastModifiedValue(&lastMod);
*lastModifiedTime = lastMod;
return NS_OK;
}
//-----------------------------------------------------------------------------
// HttpBaseChannel::nsISupportsPriority
//-----------------------------------------------------------------------------
NS_IMETHODIMP
HttpBaseChannel::GetPriority(int32_t *value)
{
*value = mPriority;
return NS_OK;
}
NS_IMETHODIMP
HttpBaseChannel::AdjustPriority(int32_t delta)
{
return SetPriority(mPriority + delta);
}
//-----------------------------------------------------------------------------
// HttpBaseChannel::nsIResumableChannel
//-----------------------------------------------------------------------------
NS_IMETHODIMP
HttpBaseChannel::GetEntityID(nsACString& aEntityID)
{
// Don't return an entity ID for Non-GET requests which require
// additional data
if (!mRequestHead.IsGet()) {
return NS_ERROR_NOT_RESUMABLE;
}
uint64_t size = UINT64_MAX;
nsAutoCString etag, lastmod;
if (mResponseHead) {
// Don't return an entity if the server sent the following header:
// Accept-Ranges: none
// Not sending the Accept-Ranges header means we can still try
// sending range requests.
const char* acceptRanges =
mResponseHead->PeekHeader(nsHttp::Accept_Ranges);
if (acceptRanges &&
!nsHttp::FindToken(acceptRanges, "bytes", HTTP_HEADER_VALUE_SEPS)) {
return NS_ERROR_NOT_RESUMABLE;
}
size = mResponseHead->TotalEntitySize();
const char* cLastMod = mResponseHead->PeekHeader(nsHttp::Last_Modified);
if (cLastMod)
lastmod = cLastMod;
const char* cEtag = mResponseHead->PeekHeader(nsHttp::ETag);
if (cEtag)
etag = cEtag;
}
nsCString entityID;
NS_EscapeURL(etag.BeginReading(), etag.Length(), esc_AlwaysCopy |
esc_FileBaseName | esc_Forced, entityID);
entityID.Append('/');
entityID.AppendInt(int64_t(size));
entityID.Append('/');
entityID.Append(lastmod);
// NOTE: Appending lastmod as the last part avoids having to escape it
aEntityID = entityID;
return NS_OK;
}
nsIPrincipal *
HttpBaseChannel::GetPrincipal(bool requireAppId)
{
if (mPrincipal) {
if (requireAppId && mPrincipal->GetUnknownAppId()) {
LOG(("HttpBaseChannel::GetPrincipal: No app id [this=%p]", this));
return nullptr;
}
return mPrincipal;
}
nsIScriptSecurityManager *securityManager =
nsContentUtils::GetSecurityManager();
if (!securityManager) {
LOG(("HttpBaseChannel::GetPrincipal: No security manager [this=%p]",
this));
return nullptr;
}
securityManager->GetChannelPrincipal(this, getter_AddRefs(mPrincipal));
if (!mPrincipal) {
LOG(("HttpBaseChannel::GetPrincipal: No channel principal [this=%p]",
this));
return nullptr;
}
// principals with unknown app ids do not work with the permission manager
if (requireAppId && mPrincipal->GetUnknownAppId()) {
LOG(("HttpBaseChannel::GetPrincipal: No app id [this=%p]", this));
return nullptr;
}
return mPrincipal;
}
// nsIRedirectHistory
NS_IMETHODIMP
HttpBaseChannel::GetRedirects(nsIArray * *aRedirects)
{
nsresult rv;
nsCOMPtr<nsIMutableArray> redirects =
do_CreateInstance(NS_ARRAY_CONTRACTID, &rv);
NS_ENSURE_SUCCESS(rv, rv);
for (int i = 0; i < mRedirects.Count(); ++i) {
rv = redirects->AppendElement(mRedirects[i], false);
NS_ENSURE_SUCCESS(rv, rv);
}
*aRedirects = redirects;
NS_IF_ADDREF(*aRedirects);
return NS_OK;
}
//-----------------------------------------------------------------------------
// nsHttpChannel::nsITraceableChannel
//-----------------------------------------------------------------------------
NS_IMETHODIMP
HttpBaseChannel::SetNewListener(nsIStreamListener *aListener, nsIStreamListener **_retval)
{
if (!mTracingEnabled)
return NS_ERROR_FAILURE;
NS_ENSURE_ARG_POINTER(aListener);
nsCOMPtr<nsIStreamListener> wrapper = new nsStreamListenerWrapper(mListener);
wrapper.forget(_retval);
mListener = aListener;
return NS_OK;
}
//-----------------------------------------------------------------------------
// HttpBaseChannel helpers
//-----------------------------------------------------------------------------
void
HttpBaseChannel::ReleaseListeners()
{
MOZ_ASSERT(NS_IsMainThread(), "Should only be called on the main thread.");
mListener = nullptr;
mListenerContext = nullptr;
mCallbacks = nullptr;
mProgressSink = nullptr;
}
void
HttpBaseChannel::DoNotifyListener()
{
// Make sure mIsPending is set to false. At this moment we are done from
// the point of view of our consumer and we have to report our self
// as not-pending.
if (mListener) {
mListener->OnStartRequest(this, mListenerContext);
mIsPending = false;
mListener->OnStopRequest(this, mListenerContext, mStatus);
} else {
mIsPending = false;
}
// We have to make sure to drop the references to listeners and callbacks
// no longer needed
ReleaseListeners();
DoNotifyListenerCleanup();
}
void
HttpBaseChannel::AddCookiesToRequest()
{
if (mLoadFlags & LOAD_ANONYMOUS) {
return;
}
bool useCookieService =
(XRE_GetProcessType() == GeckoProcessType_Default);
nsXPIDLCString cookie;
if (useCookieService) {
nsICookieService *cs = gHttpHandler->GetCookieService();
if (cs) {
cs->GetCookieStringFromHttp(mURI,
nullptr,
this, getter_Copies(cookie));
}
if (cookie.IsEmpty()) {
cookie = mUserSetCookieHeader;
}
else if (!mUserSetCookieHeader.IsEmpty()) {
cookie.AppendLiteral("; ");
cookie.Append(mUserSetCookieHeader);
}
}
else {
cookie = mUserSetCookieHeader;
}
// If we are in the child process, we want the parent seeing any
// cookie headers that might have been set by SetRequestHeader()
SetRequestHeader(nsDependentCString(nsHttp::Cookie), cookie, false);
}
static PLDHashOperator
CopyProperties(const nsAString& aKey, nsIVariant *aData, void *aClosure)
{
nsIWritablePropertyBag* bag = static_cast<nsIWritablePropertyBag*>
(aClosure);
bag->SetProperty(aKey, aData);
return PL_DHASH_NEXT;
}
bool
HttpBaseChannel::ShouldRewriteRedirectToGET(uint32_t httpStatus,
nsHttpRequestHead::ParsedMethodType method)
{
// for 301 and 302, only rewrite POST
if (httpStatus == 301 || httpStatus == 302)
return method == nsHttpRequestHead::kMethod_Post;
// rewrite for 303 unless it was HEAD
if (httpStatus == 303)
return method != nsHttpRequestHead::kMethod_Head;
// otherwise, such as for 307, do not rewrite
return false;
}
nsresult
HttpBaseChannel::SetupReplacementChannel(nsIURI *newURI,
nsIChannel *newChannel,
bool preserveMethod)
{
LOG(("HttpBaseChannel::SetupReplacementChannel "
"[this=%p newChannel=%p preserveMethod=%d]",
this, newChannel, preserveMethod));
uint32_t newLoadFlags = mLoadFlags | LOAD_REPLACE;
// if the original channel was using SSL and this channel is not using
// SSL, then no need to inhibit persistent caching. however, if the
// original channel was not using SSL and has INHIBIT_PERSISTENT_CACHING
// set, then allow the flag to apply to the redirected channel as well.
// since we force set INHIBIT_PERSISTENT_CACHING on all HTTPS channels,
// we only need to check if the original channel was using SSL.
bool usingSSL = false;
nsresult rv = mURI->SchemeIs("https", &usingSSL);
if (NS_SUCCEEDED(rv) && usingSSL)
newLoadFlags &= ~INHIBIT_PERSISTENT_CACHING;
// Do not pass along LOAD_CHECK_OFFLINE_CACHE
newLoadFlags &= ~nsICachingChannel::LOAD_CHECK_OFFLINE_CACHE;
newChannel->SetLoadGroup(mLoadGroup);
newChannel->SetNotificationCallbacks(mCallbacks);
newChannel->SetLoadFlags(newLoadFlags);
// Try to preserve the privacy bit if it has been overridden
if (mPrivateBrowsingOverriden) {
nsCOMPtr<nsIPrivateBrowsingChannel> newPBChannel =
do_QueryInterface(newChannel);
if (newPBChannel) {
newPBChannel->SetPrivate(mPrivateBrowsing);
}
}
// Propagate our loadinfo if needed.
newChannel->SetLoadInfo(mLoadInfo);
nsCOMPtr<nsIHttpChannel> httpChannel = do_QueryInterface(newChannel);
if (!httpChannel)
return NS_OK; // no other options to set
if (preserveMethod) {
nsCOMPtr<nsIUploadChannel> uploadChannel =
do_QueryInterface(httpChannel);
nsCOMPtr<nsIUploadChannel2> uploadChannel2 =
do_QueryInterface(httpChannel);
if (mUploadStream && (uploadChannel2 || uploadChannel)) {
// rewind upload stream
nsCOMPtr<nsISeekableStream> seekable = do_QueryInterface(mUploadStream);
if (seekable)
seekable->Seek(nsISeekableStream::NS_SEEK_SET, 0);
// replicate original call to SetUploadStream...
if (uploadChannel2) {
const char *ctype = mRequestHead.PeekHeader(nsHttp::Content_Type);
if (!ctype)
ctype = "";
const char *clen = mRequestHead.PeekHeader(nsHttp::Content_Length);
int64_t len = clen ? nsCRT::atoll(clen) : -1;
uploadChannel2->ExplicitSetUploadStream(
mUploadStream, nsDependentCString(ctype), len,
mRequestHead.Method(),
mUploadStreamHasHeaders);
} else {
if (mUploadStreamHasHeaders) {
uploadChannel->SetUploadStream(mUploadStream, EmptyCString(),
-1);
} else {
const char *ctype =
mRequestHead.PeekHeader(nsHttp::Content_Type);
const char *clen =
mRequestHead.PeekHeader(nsHttp::Content_Length);
if (!ctype) {
ctype = "application/octet-stream";
}
if (clen) {
uploadChannel->SetUploadStream(mUploadStream,
nsDependentCString(ctype),
nsCRT::atoll(clen));
}
}
}
}
// since preserveMethod is true, we need to ensure that the appropriate
// request method gets set on the channel, regardless of whether or not
// we set the upload stream above. This means SetRequestMethod() will
// be called twice if ExplicitSetUploadStream() gets called above.
httpChannel->SetRequestMethod(mRequestHead.Method());
}
// convey the referrer if one was used for this channel to the next one
if (mReferrer)
httpChannel->SetReferrer(mReferrer);
// convey the mAllowPipelining and mAllowSTS flags
httpChannel->SetAllowPipelining(mAllowPipelining);
httpChannel->SetAllowSTS(mAllowSTS);
// convey the new redirection limit
httpChannel->SetRedirectionLimit(mRedirectionLimit - 1);
// convey the Accept header value
{
nsAutoCString oldAcceptValue;
nsresult hasHeader = mRequestHead.GetHeader(nsHttp::Accept, oldAcceptValue);
if (NS_SUCCEEDED(hasHeader)) {
httpChannel->SetRequestHeader(NS_LITERAL_CSTRING("Accept"),
oldAcceptValue,
false);
}
}
nsCOMPtr<nsIHttpChannelInternal> httpInternal = do_QueryInterface(newChannel);
if (httpInternal) {
// convey the mForceAllowThirdPartyCookie flag
httpInternal->SetForceAllowThirdPartyCookie(mForceAllowThirdPartyCookie);
// convey the spdy flag
httpInternal->SetAllowSpdy(mAllowSpdy);
// update the DocumentURI indicator since we are being redirected.
// if this was a top-level document channel, then the new channel
// should have its mDocumentURI point to newURI; otherwise, we
// just need to pass along our mDocumentURI to the new channel.
if (newURI && (mURI == mDocumentURI))
httpInternal->SetDocumentURI(newURI);
else
httpInternal->SetDocumentURI(mDocumentURI);
// if there is a chain of keys for redirect-responses we transfer it to
// the new channel (see bug #561276)
if (mRedirectedCachekeys) {
LOG(("HttpBaseChannel::SetupReplacementChannel "
"[this=%p] transferring chain of redirect cache-keys", this));
httpInternal->SetCacheKeysRedirectChain(mRedirectedCachekeys.forget());
}
// Transfer existing redirect information. Add all of our existing
// redirects to the new channel.
for (int32_t i = 0; i < mRedirects.Count(); ++i) {
#ifdef PR_LOGGING
nsCOMPtr<nsIURI> uri;
mRedirects[i]->GetURI(getter_AddRefs(uri));
nsCString spec;
uri->GetSpec(spec);
LOG(("HttpBaseChannel::SetupReplacementChannel adding redirect %s "
"[this=%p]", spec.get(), this));
#endif
httpInternal->AddRedirect(mRedirects[i]);
}
// Add our own principal to the redirect information on the new channel. If
// the redirect is vetoed, then newChannel->AsyncOpen won't be called.
// However, the new channel's redirect chain will still be complete.
nsCOMPtr<nsIPrincipal> principal = GetPrincipal(false);
httpInternal->AddRedirect(principal);
}
// transfer application cache information
nsCOMPtr<nsIApplicationCacheChannel> appCacheChannel =
do_QueryInterface(newChannel);
if (appCacheChannel) {
appCacheChannel->SetApplicationCache(mApplicationCache);
appCacheChannel->SetInheritApplicationCache(mInheritApplicationCache);
// We purposely avoid transfering mChooseApplicationCache.
}
// transfer any properties
nsCOMPtr<nsIWritablePropertyBag> bag(do_QueryInterface(newChannel));
if (bag)
mPropertyHash.EnumerateRead(CopyProperties, bag.get());
// Transfer the timing data (if we are dealing with an nsITimedChannel).
nsCOMPtr<nsITimedChannel> newTimedChannel(do_QueryInterface(newChannel));
nsCOMPtr<nsITimedChannel> oldTimedChannel(
do_QueryInterface(static_cast<nsIHttpChannel*>(this)));
if (oldTimedChannel && newTimedChannel) {
newTimedChannel->SetTimingEnabled(mTimingEnabled);
newTimedChannel->SetRedirectCount(mRedirectCount + 1);
// If the RedirectStart is null, we will use the AsyncOpen value of the
// previous channel (this is the first redirect in the redirects chain).
if (mRedirectStartTimeStamp.IsNull()) {
TimeStamp asyncOpen;
oldTimedChannel->GetAsyncOpen(&asyncOpen);
newTimedChannel->SetRedirectStart(asyncOpen);
}
else {
newTimedChannel->SetRedirectStart(mRedirectStartTimeStamp);
}
// The RedirectEnd timestamp is equal to the previous channel response end.
TimeStamp prevResponseEnd;
oldTimedChannel->GetResponseEnd(&prevResponseEnd);
newTimedChannel->SetRedirectEnd(prevResponseEnd);
nsAutoString initiatorType;
oldTimedChannel->GetInitiatorType(initiatorType);
newTimedChannel->SetInitiatorType(initiatorType);
// Check whether or not this was a cross-domain redirect.
newTimedChannel->SetAllRedirectsSameOrigin(
mAllRedirectsSameOrigin && SameOriginWithOriginalUri(newURI));
}
// This channel has been redirected. Don't report timing info.
mTimingEnabled = false;
return NS_OK;
}
// Redirect Tracking
bool
HttpBaseChannel::SameOriginWithOriginalUri(nsIURI *aURI)
{
nsIScriptSecurityManager* ssm = nsContentUtils::GetSecurityManager();
nsresult rv = ssm->CheckSameOriginURI(aURI, mOriginalURI, false);
return (NS_SUCCEEDED(rv));
}
//-----------------------------------------------------------------------------
// HttpBaseChannel::nsITimedChannel
//-----------------------------------------------------------------------------
NS_IMETHODIMP
HttpBaseChannel::SetTimingEnabled(bool enabled) {
mTimingEnabled = enabled;
return NS_OK;
}
NS_IMETHODIMP
HttpBaseChannel::GetTimingEnabled(bool* _retval) {
*_retval = mTimingEnabled;
return NS_OK;
}
NS_IMETHODIMP
HttpBaseChannel::GetChannelCreation(TimeStamp* _retval) {
*_retval = mChannelCreationTimestamp;
return NS_OK;
}
NS_IMETHODIMP
HttpBaseChannel::GetAsyncOpen(TimeStamp* _retval) {
*_retval = mAsyncOpenTime;
return NS_OK;
}
/**
* @return the number of redirects. There is no check for cross-domain
* redirects. This check must be done by the consumers.
*/
NS_IMETHODIMP
HttpBaseChannel::GetRedirectCount(uint16_t *aRedirectCount)
{
*aRedirectCount = mRedirectCount;
return NS_OK;
}
NS_IMETHODIMP
HttpBaseChannel::SetRedirectCount(uint16_t aRedirectCount)
{
mRedirectCount = aRedirectCount;
return NS_OK;
}
NS_IMETHODIMP
HttpBaseChannel::GetRedirectStart(TimeStamp* _retval)
{
*_retval = mRedirectStartTimeStamp;
return NS_OK;
}
NS_IMETHODIMP
HttpBaseChannel::SetRedirectStart(TimeStamp aRedirectStart)
{
mRedirectStartTimeStamp = aRedirectStart;
return NS_OK;
}
NS_IMETHODIMP
HttpBaseChannel::GetRedirectEnd(TimeStamp* _retval)
{
*_retval = mRedirectEndTimeStamp;
return NS_OK;
}
NS_IMETHODIMP
HttpBaseChannel::SetRedirectEnd(TimeStamp aRedirectEnd)
{
mRedirectEndTimeStamp = aRedirectEnd;
return NS_OK;
}
NS_IMETHODIMP
HttpBaseChannel::GetAllRedirectsSameOrigin(bool *aAllRedirectsSameOrigin)
{
*aAllRedirectsSameOrigin = mAllRedirectsSameOrigin;
return NS_OK;
}
NS_IMETHODIMP
HttpBaseChannel::SetAllRedirectsSameOrigin(bool aAllRedirectsSameOrigin)
{
mAllRedirectsSameOrigin = aAllRedirectsSameOrigin;
return NS_OK;
}
NS_IMETHODIMP
HttpBaseChannel::GetDomainLookupStart(TimeStamp* _retval) {
*_retval = mTransactionTimings.domainLookupStart;
return NS_OK;
}
NS_IMETHODIMP
HttpBaseChannel::GetDomainLookupEnd(TimeStamp* _retval) {
*_retval = mTransactionTimings.domainLookupEnd;
return NS_OK;
}
NS_IMETHODIMP
HttpBaseChannel::GetConnectStart(TimeStamp* _retval) {
*_retval = mTransactionTimings.connectStart;
return NS_OK;
}
NS_IMETHODIMP
HttpBaseChannel::GetConnectEnd(TimeStamp* _retval) {
*_retval = mTransactionTimings.connectEnd;
return NS_OK;
}
NS_IMETHODIMP
HttpBaseChannel::GetRequestStart(TimeStamp* _retval) {
*_retval = mTransactionTimings.requestStart;
return NS_OK;
}
NS_IMETHODIMP
HttpBaseChannel::GetResponseStart(TimeStamp* _retval) {
*_retval = mTransactionTimings.responseStart;
return NS_OK;
}
NS_IMETHODIMP
HttpBaseChannel::GetResponseEnd(TimeStamp* _retval) {
*_retval = mTransactionTimings.responseEnd;
return NS_OK;
}
NS_IMETHODIMP
HttpBaseChannel::GetCacheReadStart(TimeStamp* _retval) {
*_retval = mCacheReadStart;
return NS_OK;
}
NS_IMETHODIMP
HttpBaseChannel::GetCacheReadEnd(TimeStamp* _retval) {
*_retval = mCacheReadEnd;
return NS_OK;
}
NS_IMETHODIMP
HttpBaseChannel::GetInitiatorType(nsAString & aInitiatorType)
{
aInitiatorType = mInitiatorType;
return NS_OK;
}
NS_IMETHODIMP
HttpBaseChannel::SetInitiatorType(const nsAString & aInitiatorType)
{
mInitiatorType = aInitiatorType;
return NS_OK;
}
#define IMPL_TIMING_ATTR(name) \
NS_IMETHODIMP \
HttpBaseChannel::Get##name##Time(PRTime* _retval) { \
TimeStamp stamp; \
Get##name(&stamp); \
if (stamp.IsNull()) { \
*_retval = 0; \
return NS_OK; \
} \
*_retval = mChannelCreationTime + \
(PRTime) ((stamp - mChannelCreationTimestamp).ToSeconds() * 1e6); \
return NS_OK; \
}
IMPL_TIMING_ATTR(ChannelCreation)
IMPL_TIMING_ATTR(AsyncOpen)
IMPL_TIMING_ATTR(DomainLookupStart)
IMPL_TIMING_ATTR(DomainLookupEnd)
IMPL_TIMING_ATTR(ConnectStart)
IMPL_TIMING_ATTR(ConnectEnd)
IMPL_TIMING_ATTR(RequestStart)
IMPL_TIMING_ATTR(ResponseStart)
IMPL_TIMING_ATTR(ResponseEnd)
IMPL_TIMING_ATTR(CacheReadStart)
IMPL_TIMING_ATTR(CacheReadEnd)
IMPL_TIMING_ATTR(RedirectStart)
IMPL_TIMING_ATTR(RedirectEnd)
#undef IMPL_TIMING_ATTR
//------------------------------------------------------------------------------
} // namespace net
} // namespace mozilla
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