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160bed2536
gecko/netwerk/protocol/http/nsHttpHandler.cpp
Ed Morley 160bed2536 Backout SPDY to keep us under the MSVC virtual address space limit during win PGO builds (bug 709193) 
Backs out 952d14a9e508 (bug 707173), c170c678c9ac (bug 708305), 0a5f66d5d8e4 (bug 707662), 3204b70435fe (bug 706236) and the main landing range 48807fde0339:0bd45ead1676 (bug 528288).
2011-12-10 22:36:26 +00:00

1553 lines
47 KiB
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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* vim:set ts=4 sw=4 sts=4 et cin: */
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is Mozilla.
*
* The Initial Developer of the Original Code is
* Netscape Communications.
* Portions created by the Initial Developer are Copyright (C) 2001
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Darin Fisher <darin@netscape.com> (original author)
* Gagan Saksena <gagan@netscape.com>
* Pierre Phaneuf <pp@ludusdesign.com>
* Christopher Blizzard <blizzard@mozilla.org>
* Adrian Havill <havill@redhat.com>
* Gervase Markham <gerv@gerv.net>
* Bradley Baetz <bbaetz@netscape.com>
* Benjamin Smedberg <bsmedberg@covad.net>
* Josh Aas <josh@mozilla.com>
* Dão Gottwald <dao@mozilla.com>
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#include "nsHttp.h"
#include "nsHttpHandler.h"
#include "nsHttpChannel.h"
#include "nsHttpConnection.h"
#include "nsHttpResponseHead.h"
#include "nsHttpTransaction.h"
#include "nsHttpAuthCache.h"
#include "nsStandardURL.h"
#include "nsIHttpChannel.h"
#include "nsIURL.h"
#include "nsIStandardURL.h"
#include "nsICacheService.h"
#include "nsICategoryManager.h"
#include "nsCategoryManagerUtils.h"
#include "nsICacheService.h"
#include "nsIPrefService.h"
#include "nsIPrefBranch2.h"
#include "nsIPrefLocalizedString.h"
#include "nsISocketProviderService.h"
#include "nsISocketProvider.h"
#include "nsPrintfCString.h"
#include "nsCOMPtr.h"
#include "nsNetCID.h"
#include "prprf.h"
#include "nsReadableUtils.h"
#include "nsQuickSort.h"
#include "nsNetUtil.h"
#include "nsIOService.h"
#include "nsAsyncRedirectVerifyHelper.h"
#include "nsSocketTransportService2.h"
#include "nsAlgorithm.h"
#include "nsIXULAppInfo.h"
#include "mozilla/net/NeckoChild.h"
#if defined(XP_UNIX)
#include <sys/utsname.h>
#endif
#if defined(XP_WIN)
#include <windows.h>
#endif
#if defined(XP_MACOSX)
#include <CoreServices/CoreServices.h>
#endif
#if defined(XP_OS2)
#define INCL_DOSMISC
#include <os2.h>
#endif
//-----------------------------------------------------------------------------
using namespace mozilla;
using namespace mozilla::net;
#include "mozilla/net/HttpChannelChild.h"
#include "mozilla/FunctionTimer.h"
#ifdef DEBUG
// defined by the socket transport service while active
extern PRThread *gSocketThread;
#endif
static NS_DEFINE_CID(kIOServiceCID, NS_IOSERVICE_CID);
static NS_DEFINE_CID(kStreamConverterServiceCID, NS_STREAMCONVERTERSERVICE_CID);
static NS_DEFINE_CID(kCookieServiceCID, NS_COOKIESERVICE_CID);
static NS_DEFINE_CID(kCacheServiceCID, NS_CACHESERVICE_CID);
static NS_DEFINE_CID(kSocketProviderServiceCID, NS_SOCKETPROVIDERSERVICE_CID);
#define UA_PREF_PREFIX "general.useragent."
#ifdef XP_WIN
#define UA_SPARE_PLATFORM
#endif
#define HTTP_PREF_PREFIX "network.http."
#define INTL_ACCEPT_LANGUAGES "intl.accept_languages"
#define NETWORK_ENABLEIDN "network.enableIDN"
#define BROWSER_PREF_PREFIX "browser.cache."
#define DONOTTRACK_HEADER_ENABLED "privacy.donottrackheader.enabled"
#define UA_PREF(_pref) UA_PREF_PREFIX _pref
#define HTTP_PREF(_pref) HTTP_PREF_PREFIX _pref
#define BROWSER_PREF(_pref) BROWSER_PREF_PREFIX _pref
#define NS_HTTP_PROTOCOL_FLAGS (URI_STD | ALLOWS_PROXY | ALLOWS_PROXY_HTTP | URI_LOADABLE_BY_ANYONE)
//-----------------------------------------------------------------------------
static nsresult
NewURI(const nsACString &aSpec,
const char *aCharset,
nsIURI *aBaseURI,
PRInt32 aDefaultPort,
nsIURI **aURI)
{
nsStandardURL *url = new nsStandardURL();
if (!url)
return NS_ERROR_OUT_OF_MEMORY;
NS_ADDREF(url);
nsresult rv = url->Init(nsIStandardURL::URLTYPE_AUTHORITY,
aDefaultPort, aSpec, aCharset, aBaseURI);
if (NS_FAILED(rv)) {
NS_RELEASE(url);
return rv;
}
*aURI = url; // no QI needed
return NS_OK;
}
//-----------------------------------------------------------------------------
// nsHttpHandler <public>
//-----------------------------------------------------------------------------
nsHttpHandler *gHttpHandler = nsnull;
nsHttpHandler::nsHttpHandler()
: mConnMgr(nsnull)
, mHttpVersion(NS_HTTP_VERSION_1_1)
, mProxyHttpVersion(NS_HTTP_VERSION_1_1)
, mCapabilities(NS_HTTP_ALLOW_KEEPALIVE)
, mProxyCapabilities(NS_HTTP_ALLOW_KEEPALIVE)
, mReferrerLevel(0xff) // by default we always send a referrer
, mFastFallbackToIPv4(false)
, mIdleTimeout(10)
, mMaxRequestAttempts(10)
, mMaxRequestDelay(10)
, mIdleSynTimeout(250)
, mMaxConnections(24)
, mMaxConnectionsPerServer(8)
, mMaxPersistentConnectionsPerServer(2)
, mMaxPersistentConnectionsPerProxy(4)
, mMaxPipelinedRequests(2)
, mRedirectionLimit(10)
, mPhishyUserPassLength(1)
, mQoSBits(0x00)
, mPipeliningOverSSL(false)
, mInPrivateBrowsingMode(PRIVATE_BROWSING_UNKNOWN)
, mLastUniqueID(NowInSeconds())
, mSessionStartTime(0)
, mLegacyAppName("Mozilla")
, mLegacyAppVersion("5.0")
, mProduct("Gecko")
, mUserAgentIsDirty(true)
, mUseCache(true)
, mPromptTempRedirect(true)
, mSendSecureXSiteReferrer(true)
, mEnablePersistentHttpsCaching(false)
, mDoNotTrackEnabled(false)
{
#if defined(PR_LOGGING)
gHttpLog = PR_NewLogModule("nsHttp");
#endif
LOG(("Creating nsHttpHandler [this=%x].\n", this));
NS_ASSERTION(!gHttpHandler, "HTTP handler already created!");
gHttpHandler = this;
}
nsHttpHandler::~nsHttpHandler()
{
LOG(("Deleting nsHttpHandler [this=%x]\n", this));
// make sure the connection manager is shutdown
if (mConnMgr) {
mConnMgr->Shutdown();
NS_RELEASE(mConnMgr);
}
// Note: don't call NeckoChild::DestroyNeckoChild() here, as it's too late
// and it'll segfault. NeckoChild will get cleaned up by process exit.
nsHttp::DestroyAtomTable();
gHttpHandler = nsnull;
}
nsresult
nsHttpHandler::Init()
{
NS_TIME_FUNCTION;
nsresult rv;
LOG(("nsHttpHandler::Init\n"));
rv = nsHttp::CreateAtomTable();
if (NS_FAILED(rv))
return rv;
mIOService = do_GetService(NS_IOSERVICE_CONTRACTID, &rv);
if (NS_FAILED(rv)) {
NS_WARNING("unable to continue without io service");
return rv;
}
if (IsNeckoChild())
NeckoChild::InitNeckoChild();
InitUserAgentComponents();
// monitor some preference changes
nsCOMPtr<nsIPrefBranch2> prefBranch = do_GetService(NS_PREFSERVICE_CONTRACTID);
if (prefBranch) {
prefBranch->AddObserver(HTTP_PREF_PREFIX, this, true);
prefBranch->AddObserver(UA_PREF_PREFIX, this, true);
prefBranch->AddObserver(INTL_ACCEPT_LANGUAGES, this, true);
prefBranch->AddObserver(NETWORK_ENABLEIDN, this, true);
prefBranch->AddObserver(BROWSER_PREF("disk_cache_ssl"), this, true);
prefBranch->AddObserver(DONOTTRACK_HEADER_ENABLED, this, true);
PrefsChanged(prefBranch, nsnull);
}
mMisc.AssignLiteral("rv:" MOZILLA_VERSION);
nsCOMPtr<nsIXULAppInfo> appInfo =
do_GetService("@mozilla.org/xre/app-info;1");
mAppName.AssignLiteral(MOZ_APP_UA_NAME);
if (mAppName.Length() == 0 && appInfo) {
appInfo->GetName(mAppName);
appInfo->GetVersion(mAppVersion);
mAppName.StripChars(" ()<>@,;:\\\"/[]?={}");
} else {
mAppVersion.AssignLiteral(MOZ_APP_UA_VERSION);
}
#if DEBUG
// dump user agent prefs
LOG(("> legacy-app-name = %s\n", mLegacyAppName.get()));
LOG(("> legacy-app-version = %s\n", mLegacyAppVersion.get()));
LOG(("> platform = %s\n", mPlatform.get()));
LOG(("> oscpu = %s\n", mOscpu.get()));
LOG(("> misc = %s\n", mMisc.get()));
LOG(("> product = %s\n", mProduct.get()));
LOG(("> product-sub = %s\n", mProductSub.get()));
LOG(("> app-name = %s\n", mAppName.get()));
LOG(("> app-version = %s\n", mAppVersion.get()));
LOG(("> compat-firefox = %s\n", mCompatFirefox.get()));
LOG(("> user-agent = %s\n", UserAgent().get()));
#endif
mSessionStartTime = NowInSeconds();
rv = mAuthCache.Init();
if (NS_FAILED(rv)) return rv;
rv = InitConnectionMgr();
if (NS_FAILED(rv)) return rv;
mProductSub.AssignLiteral(MOZ_UA_BUILDID);
if (mProductSub.IsEmpty() && appInfo)
appInfo->GetPlatformBuildID(mProductSub);
if (mProductSub.Length() > 8)
mProductSub.SetLength(8);
// Startup the http category
// Bring alive the objects in the http-protocol-startup category
NS_CreateServicesFromCategory(NS_HTTP_STARTUP_CATEGORY,
static_cast<nsISupports*>(static_cast<void*>(this)),
NS_HTTP_STARTUP_TOPIC);
mObserverService = mozilla::services::GetObserverService();
if (mObserverService) {
mObserverService->AddObserver(this, "profile-change-net-teardown", true);
mObserverService->AddObserver(this, "profile-change-net-restore", true);
mObserverService->AddObserver(this, NS_XPCOM_SHUTDOWN_OBSERVER_ID, true);
mObserverService->AddObserver(this, "net:clear-active-logins", true);
mObserverService->AddObserver(this, NS_PRIVATE_BROWSING_SWITCH_TOPIC, true);
mObserverService->AddObserver(this, "net:prune-dead-connections", true);
}
return NS_OK;
}
nsresult
nsHttpHandler::InitConnectionMgr()
{
NS_TIME_FUNCTION;
nsresult rv;
if (!mConnMgr) {
mConnMgr = new nsHttpConnectionMgr();
if (!mConnMgr)
return NS_ERROR_OUT_OF_MEMORY;
NS_ADDREF(mConnMgr);
}
rv = mConnMgr->Init(mMaxConnections,
mMaxConnectionsPerServer,
mMaxConnectionsPerServer,
mMaxPersistentConnectionsPerServer,
mMaxPersistentConnectionsPerProxy,
mMaxRequestDelay,
mMaxPipelinedRequests);
return rv;
}
nsresult
nsHttpHandler::AddStandardRequestHeaders(nsHttpHeaderArray *request,
PRUint8 caps,
bool useProxy)
{
nsresult rv;
// Add the "User-Agent" header
rv = request->SetHeader(nsHttp::User_Agent, UserAgent());
if (NS_FAILED(rv)) return rv;
// MIME based content negotiation lives!
// Add the "Accept" header
rv = request->SetHeader(nsHttp::Accept, mAccept);
if (NS_FAILED(rv)) return rv;
// Add the "Accept-Language" header
if (!mAcceptLanguages.IsEmpty()) {
// Add the "Accept-Language" header
rv = request->SetHeader(nsHttp::Accept_Language, mAcceptLanguages);
if (NS_FAILED(rv)) return rv;
}
// Add the "Accept-Encoding" header
rv = request->SetHeader(nsHttp::Accept_Encoding, mAcceptEncodings);
if (NS_FAILED(rv)) return rv;
// RFC2616 section 19.6.2 states that the "Connection: keep-alive"
// and "Keep-alive" request headers should not be sent by HTTP/1.1
// user-agents. Otherwise, problems with proxy servers (especially
// transparent proxies) can result.
//
// However, we need to send something so that we can use keepalive
// with HTTP/1.0 servers/proxies. We use "Proxy-Connection:" when
// we're talking to an http proxy, and "Connection:" otherwise.
// We no longer send the Keep-Alive request header.
NS_NAMED_LITERAL_CSTRING(close, "close");
NS_NAMED_LITERAL_CSTRING(keepAlive, "keep-alive");
const nsACString *connectionType = &close;
if (caps & NS_HTTP_ALLOW_KEEPALIVE) {
connectionType = &keepAlive;
} else if (useProxy) {
// Bug 92006
request->SetHeader(nsHttp::Connection, close);
}
// Add the "Do-Not-Track" header
if (mDoNotTrackEnabled) {
rv = request->SetHeader(nsHttp::DoNotTrack,
NS_LITERAL_CSTRING("1"));
if (NS_FAILED(rv)) return rv;
}
const nsHttpAtom &header = useProxy ? nsHttp::Proxy_Connection
: nsHttp::Connection;
return request->SetHeader(header, *connectionType);
}
bool
nsHttpHandler::IsAcceptableEncoding(const char *enc)
{
if (!enc)
return false;
// HTTP 1.1 allows servers to send x-gzip and x-compress instead
// of gzip and compress, for example. So, we'll always strip off
// an "x-" prefix before matching the encoding to one we claim
// to accept.
if (!PL_strncasecmp(enc, "x-", 2))
enc += 2;
return nsHttp::FindToken(mAcceptEncodings.get(), enc, HTTP_LWS ",") != nsnull;
}
nsresult
nsHttpHandler::GetCacheSession(nsCacheStoragePolicy storagePolicy,
nsICacheSession **result)
{
nsresult rv;
// Skip cache if disabled in preferences
if (!mUseCache)
return NS_ERROR_NOT_AVAILABLE;
// We want to get the pointer to the cache service each time we're called,
// because it's possible for some add-ons (such as Google Gears) to swap
// in new cache services on the fly, and we want to pick them up as
// appropriate.
nsCOMPtr<nsICacheService> serv = do_GetService(NS_CACHESERVICE_CONTRACTID,
&rv);
if (NS_FAILED(rv)) return rv;
const char *sessionName = "HTTP";
switch (storagePolicy) {
case nsICache::STORE_IN_MEMORY:
sessionName = "HTTP-memory-only";
break;
case nsICache::STORE_OFFLINE:
sessionName = "HTTP-offline";
break;
default:
break;
}
nsCOMPtr<nsICacheSession> cacheSession;
rv = serv->CreateSession(sessionName,
storagePolicy,
nsICache::STREAM_BASED,
getter_AddRefs(cacheSession));
if (NS_FAILED(rv)) return rv;
rv = cacheSession->SetDoomEntriesIfExpired(false);
if (NS_FAILED(rv)) return rv;
NS_ADDREF(*result = cacheSession);
return NS_OK;
}
bool
nsHttpHandler::InPrivateBrowsingMode()
{
if (PRIVATE_BROWSING_UNKNOWN == mInPrivateBrowsingMode) {
// figure out if we're starting in private browsing mode
nsCOMPtr<nsIPrivateBrowsingService> pbs =
do_GetService(NS_PRIVATE_BROWSING_SERVICE_CONTRACTID);
if (!pbs)
return PRIVATE_BROWSING_OFF;
bool p = false;
pbs->GetPrivateBrowsingEnabled(&p);
mInPrivateBrowsingMode = p ? PRIVATE_BROWSING_ON : PRIVATE_BROWSING_OFF;
}
return PRIVATE_BROWSING_ON == mInPrivateBrowsingMode;
}
nsresult
nsHttpHandler::GetStreamConverterService(nsIStreamConverterService **result)
{
if (!mStreamConvSvc) {
nsresult rv;
mStreamConvSvc = do_GetService(NS_STREAMCONVERTERSERVICE_CONTRACTID, &rv);
if (NS_FAILED(rv)) return rv;
}
*result = mStreamConvSvc;
NS_ADDREF(*result);
return NS_OK;
}
nsIStrictTransportSecurityService*
nsHttpHandler::GetSTSService()
{
if (!mSTSService)
mSTSService = do_GetService(NS_STSSERVICE_CONTRACTID);
return mSTSService;
}
nsICookieService *
nsHttpHandler::GetCookieService()
{
if (!mCookieService)
mCookieService = do_GetService(NS_COOKIESERVICE_CONTRACTID);
return mCookieService;
}
nsresult
nsHttpHandler::GetIOService(nsIIOService** result)
{
NS_ADDREF(*result = mIOService);
return NS_OK;
}
void
nsHttpHandler::NotifyObservers(nsIHttpChannel *chan, const char *event)
{
LOG(("nsHttpHandler::NotifyObservers [chan=%x event=\"%s\"]\n", chan, event));
if (mObserverService)
mObserverService->NotifyObservers(chan, event, nsnull);
}
nsresult
nsHttpHandler::AsyncOnChannelRedirect(nsIChannel* oldChan, nsIChannel* newChan,
PRUint32 flags)
{
// TODO E10S This helper has to be initialized on the other process
nsRefPtr<nsAsyncRedirectVerifyHelper> redirectCallbackHelper =
new nsAsyncRedirectVerifyHelper();
return redirectCallbackHelper->Init(oldChan, newChan, flags);
}
/* static */ nsresult
nsHttpHandler::GenerateHostPort(const nsCString& host, PRInt32 port,
nsCString& hostLine)
{
if (strchr(host.get(), ':')) {
// host is an IPv6 address literal and must be encapsulated in []'s
hostLine.Assign('[');
// scope id is not needed for Host header.
int scopeIdPos = host.FindChar('%');
if (scopeIdPos == kNotFound)
hostLine.Append(host);
else if (scopeIdPos > 0)
hostLine.Append(Substring(host, 0, scopeIdPos));
else
return NS_ERROR_MALFORMED_URI;
hostLine.Append(']');
}
else
hostLine.Assign(host);
if (port != -1) {
hostLine.Append(':');
hostLine.AppendInt(port);
}
return NS_OK;
}
//-----------------------------------------------------------------------------
// nsHttpHandler <private>
//-----------------------------------------------------------------------------
const nsAFlatCString &
nsHttpHandler::UserAgent()
{
if (mUserAgentOverride) {
LOG(("using general.useragent.override : %s\n", mUserAgentOverride.get()));
return mUserAgentOverride;
}
if (mUserAgentIsDirty) {
BuildUserAgent();
mUserAgentIsDirty = false;
}
return mUserAgent;
}
void
nsHttpHandler::BuildUserAgent()
{
LOG(("nsHttpHandler::BuildUserAgent\n"));
NS_ASSERTION(!mLegacyAppName.IsEmpty() &&
!mLegacyAppVersion.IsEmpty() &&
!mPlatform.IsEmpty() &&
!mOscpu.IsEmpty(),
"HTTP cannot send practical requests without this much");
// preallocate to worst-case size, which should always be better
// than if we didn't preallocate at all.
mUserAgent.SetCapacity(mLegacyAppName.Length() +
mLegacyAppVersion.Length() +
#ifndef UA_SPARE_PLATFORM
mPlatform.Length() +
#endif
mOscpu.Length() +
mMisc.Length() +
mProduct.Length() +
mProductSub.Length() +
mAppName.Length() +
mAppVersion.Length() +
mCompatFirefox.Length() +
13);
// Application portion
mUserAgent.Assign(mLegacyAppName);
mUserAgent += '/';
mUserAgent += mLegacyAppVersion;
mUserAgent += ' ';
// Application comment
mUserAgent += '(';
#ifndef UA_SPARE_PLATFORM
mUserAgent += mPlatform;
mUserAgent.AppendLiteral("; ");
#endif
mUserAgent += mOscpu;
mUserAgent.AppendLiteral("; ");
mUserAgent += mMisc;
mUserAgent += ')';
// Product portion
mUserAgent += ' ';
mUserAgent += mProduct;
mUserAgent += '/';
mUserAgent += mProductSub;
// "Firefox/x.y.z" compatibility token
if (!mCompatFirefox.IsEmpty()) {
mUserAgent += ' ';
mUserAgent += mCompatFirefox;
}
// App portion
mUserAgent += ' ';
mUserAgent += mAppName;
mUserAgent += '/';
mUserAgent += mAppVersion;
}
#ifdef XP_WIN
typedef BOOL (WINAPI *IsWow64ProcessP) (HANDLE, PBOOL);
#define WNT_BASE "Windows NT %ld.%ld"
#define W64_PREFIX "; Win64"
#endif
void
nsHttpHandler::InitUserAgentComponents()
{
// Gather platform.
mPlatform.AssignLiteral(
#if defined(ANDROID)
"Android"
#elif defined(XP_OS2)
"OS/2"
#elif defined(XP_WIN)
"Windows"
#elif defined(XP_MACOSX)
"Macintosh"
#elif defined(MOZ_PLATFORM_MAEMO)
"Maemo"
#elif defined(MOZ_X11)
"X11"
#else
"?"
#endif
);
// Gather OS/CPU.
#if defined(XP_OS2)
ULONG os2ver = 0;
DosQuerySysInfo(QSV_VERSION_MINOR, QSV_VERSION_MINOR,
&os2ver, sizeof(os2ver));
if (os2ver == 11)
mOscpu.AssignLiteral("2.11");
else if (os2ver == 30)
mOscpu.AssignLiteral("Warp 3");
else if (os2ver == 40)
mOscpu.AssignLiteral("Warp 4");
else if (os2ver == 45)
mOscpu.AssignLiteral("Warp 4.5");
#elif defined(XP_WIN)
OSVERSIONINFO info = { sizeof(OSVERSIONINFO) };
if (GetVersionEx(&info)) {
const char *format;
#if defined _M_IA64
format = WNT_BASE W64_PREFIX "; IA64";
#elif defined _M_X64 || defined _M_AMD64
format = WNT_BASE W64_PREFIX "; x64";
#else
BOOL isWow64 = FALSE;
IsWow64ProcessP fnIsWow64Process = (IsWow64ProcessP)
GetProcAddress(GetModuleHandleW(L"kernel32"), "IsWow64Process");
if (fnIsWow64Process &&
!fnIsWow64Process(GetCurrentProcess(), &isWow64)) {
isWow64 = FALSE;
}
format = isWow64
? WNT_BASE "; WOW64"
: WNT_BASE;
#endif
char *buf = PR_smprintf(format,
info.dwMajorVersion,
info.dwMinorVersion);
if (buf) {
mOscpu = buf;
PR_smprintf_free(buf);
}
}
#elif defined (XP_MACOSX)
#if defined(__ppc__)
mOscpu.AssignLiteral("PPC Mac OS X");
#elif defined(__i386__) || defined(__x86_64__)
mOscpu.AssignLiteral("Intel Mac OS X");
#endif
SInt32 majorVersion, minorVersion;
if ((::Gestalt(gestaltSystemVersionMajor, &majorVersion) == noErr) &&
(::Gestalt(gestaltSystemVersionMinor, &minorVersion) == noErr)) {
mOscpu += nsPrintfCString(" %d.%d", majorVersion, minorVersion);
}
#elif defined (XP_UNIX)
struct utsname name;
int ret = uname(&name);
if (ret >= 0) {
nsCAutoString buf;
buf = (char*)name.sysname;
if (strcmp(name.machine, "x86_64") == 0 &&
sizeof(void *) == sizeof(PRInt32)) {
// We're running 32-bit code on x86_64. Make this browser
// look like it's running on i686 hardware, but append "
// (x86_64)" to the end of the oscpu identifier to be able
// to differentiate this from someone running 64-bit code
// on x86_64..
buf += " i686 on x86_64";
} else {
buf += ' ';
#ifdef AIX
// AIX uname returns machine specific info in the uname.machine
// field and does not return the cpu type like other platforms.
// We use the AIX version and release numbers instead.
buf += (char*)name.version;
buf += '.';
buf += (char*)name.release;
#else
buf += (char*)name.machine;
#endif
}
mOscpu.Assign(buf);
}
#endif
mUserAgentIsDirty = true;
}
PRUint32
nsHttpHandler::MaxSocketCount()
{
PR_CallOnce(&nsSocketTransportService::gMaxCountInitOnce,
nsSocketTransportService::DiscoverMaxCount);
// Don't use the full max count because sockets can be held in
// the persistent connection pool for a long time and that could
// starve other users.
PRUint32 maxCount = nsSocketTransportService::gMaxCount;
if (maxCount <= 8)
maxCount = 1;
else
maxCount -= 8;
return maxCount;
}
void
nsHttpHandler::PrefsChanged(nsIPrefBranch *prefs, const char *pref)
{
nsresult rv = NS_OK;
PRInt32 val;
LOG(("nsHttpHandler::PrefsChanged [pref=%s]\n", pref));
#define PREF_CHANGED(p) ((pref == nsnull) || !PL_strcmp(pref, p))
#define MULTI_PREF_CHANGED(p) \
((pref == nsnull) || !PL_strncmp(pref, p, sizeof(p) - 1))
//
// UA components
//
bool cVar = false;
if (PREF_CHANGED(UA_PREF("compatMode.firefox"))) {
rv = prefs->GetBoolPref(UA_PREF("compatMode.firefox"), &cVar);
if (NS_SUCCEEDED(rv) && cVar) {
mCompatFirefox.AssignLiteral("Firefox/" MOZ_UA_FIREFOX_VERSION);
} else {
mCompatFirefox.Truncate();
}
mUserAgentIsDirty = true;
}
// general.useragent.override
if (PREF_CHANGED(UA_PREF("override"))) {
prefs->GetCharPref(UA_PREF("override"),
getter_Copies(mUserAgentOverride));
mUserAgentIsDirty = true;
}
//
// HTTP options
//
if (PREF_CHANGED(HTTP_PREF("keep-alive.timeout"))) {
rv = prefs->GetIntPref(HTTP_PREF("keep-alive.timeout"), &val);
if (NS_SUCCEEDED(rv))
mIdleTimeout = (PRUint16) clamped(val, 1, 0xffff);
}
if (PREF_CHANGED(HTTP_PREF("request.max-attempts"))) {
rv = prefs->GetIntPref(HTTP_PREF("request.max-attempts"), &val);
if (NS_SUCCEEDED(rv))
mMaxRequestAttempts = (PRUint16) clamped(val, 1, 0xffff);
}
if (PREF_CHANGED(HTTP_PREF("request.max-start-delay"))) {
rv = prefs->GetIntPref(HTTP_PREF("request.max-start-delay"), &val);
if (NS_SUCCEEDED(rv)) {
mMaxRequestDelay = (PRUint16) clamped(val, 0, 0xffff);
if (mConnMgr)
mConnMgr->UpdateParam(nsHttpConnectionMgr::MAX_REQUEST_DELAY,
mMaxRequestDelay);
}
}
if (PREF_CHANGED(HTTP_PREF("max-connections"))) {
rv = prefs->GetIntPref(HTTP_PREF("max-connections"), &val);
if (NS_SUCCEEDED(rv)) {
mMaxConnections = (PRUint16) clamped((PRUint32)val,
(PRUint32)1, MaxSocketCount());
if (mConnMgr)
mConnMgr->UpdateParam(nsHttpConnectionMgr::MAX_CONNECTIONS,
mMaxConnections);
}
}
if (PREF_CHANGED(HTTP_PREF("max-connections-per-server"))) {
rv = prefs->GetIntPref(HTTP_PREF("max-connections-per-server"), &val);
if (NS_SUCCEEDED(rv)) {
mMaxConnectionsPerServer = (PRUint8) clamped(val, 1, 0xff);
if (mConnMgr) {
mConnMgr->UpdateParam(nsHttpConnectionMgr::MAX_CONNECTIONS_PER_HOST,
mMaxConnectionsPerServer);
mConnMgr->UpdateParam(nsHttpConnectionMgr::MAX_CONNECTIONS_PER_PROXY,
mMaxConnectionsPerServer);
}
}
}
if (PREF_CHANGED(HTTP_PREF("max-persistent-connections-per-server"))) {
rv = prefs->GetIntPref(HTTP_PREF("max-persistent-connections-per-server"), &val);
if (NS_SUCCEEDED(rv)) {
mMaxPersistentConnectionsPerServer = (PRUint8) clamped(val, 1, 0xff);
if (mConnMgr)
mConnMgr->UpdateParam(nsHttpConnectionMgr::MAX_PERSISTENT_CONNECTIONS_PER_HOST,
mMaxPersistentConnectionsPerServer);
}
}
if (PREF_CHANGED(HTTP_PREF("max-persistent-connections-per-proxy"))) {
rv = prefs->GetIntPref(HTTP_PREF("max-persistent-connections-per-proxy"), &val);
if (NS_SUCCEEDED(rv)) {
mMaxPersistentConnectionsPerProxy = (PRUint8) clamped(val, 1, 0xff);
if (mConnMgr)
mConnMgr->UpdateParam(nsHttpConnectionMgr::MAX_PERSISTENT_CONNECTIONS_PER_PROXY,
mMaxPersistentConnectionsPerProxy);
}
}
if (PREF_CHANGED(HTTP_PREF("sendRefererHeader"))) {
rv = prefs->GetIntPref(HTTP_PREF("sendRefererHeader"), &val);
if (NS_SUCCEEDED(rv))
mReferrerLevel = (PRUint8) clamped(val, 0, 0xff);
}
if (PREF_CHANGED(HTTP_PREF("redirection-limit"))) {
rv = prefs->GetIntPref(HTTP_PREF("redirection-limit"), &val);
if (NS_SUCCEEDED(rv))
mRedirectionLimit = (PRUint8) clamped(val, 0, 0xff);
}
if (PREF_CHANGED(HTTP_PREF("connection-retry-timeout"))) {
rv = prefs->GetIntPref(HTTP_PREF("connection-retry-timeout"), &val);
if (NS_SUCCEEDED(rv))
mIdleSynTimeout = (PRUint16) clamped(val, 0, 3000);
}
if (PREF_CHANGED(HTTP_PREF("fast-fallback-to-IPv4"))) {
rv = prefs->GetBoolPref(HTTP_PREF("fast-fallback-to-IPv4"), &cVar);
if (NS_SUCCEEDED(rv))
mFastFallbackToIPv4 = cVar;
}
if (PREF_CHANGED(HTTP_PREF("version"))) {
nsXPIDLCString httpVersion;
prefs->GetCharPref(HTTP_PREF("version"), getter_Copies(httpVersion));
if (httpVersion) {
if (!PL_strcmp(httpVersion, "1.1"))
mHttpVersion = NS_HTTP_VERSION_1_1;
else if (!PL_strcmp(httpVersion, "0.9"))
mHttpVersion = NS_HTTP_VERSION_0_9;
else
mHttpVersion = NS_HTTP_VERSION_1_0;
}
}
if (PREF_CHANGED(HTTP_PREF("proxy.version"))) {
nsXPIDLCString httpVersion;
prefs->GetCharPref(HTTP_PREF("proxy.version"), getter_Copies(httpVersion));
if (httpVersion) {
if (!PL_strcmp(httpVersion, "1.1"))
mProxyHttpVersion = NS_HTTP_VERSION_1_1;
else
mProxyHttpVersion = NS_HTTP_VERSION_1_0;
// it does not make sense to issue a HTTP/0.9 request to a proxy server
}
}
if (PREF_CHANGED(HTTP_PREF("keep-alive"))) {
rv = prefs->GetBoolPref(HTTP_PREF("keep-alive"), &cVar);
if (NS_SUCCEEDED(rv)) {
if (cVar)
mCapabilities |= NS_HTTP_ALLOW_KEEPALIVE;
else
mCapabilities &= ~NS_HTTP_ALLOW_KEEPALIVE;
}
}
if (PREF_CHANGED(HTTP_PREF("proxy.keep-alive"))) {
rv = prefs->GetBoolPref(HTTP_PREF("proxy.keep-alive"), &cVar);
if (NS_SUCCEEDED(rv)) {
if (cVar)
mProxyCapabilities |= NS_HTTP_ALLOW_KEEPALIVE;
else
mProxyCapabilities &= ~NS_HTTP_ALLOW_KEEPALIVE;
}
}
if (PREF_CHANGED(HTTP_PREF("pipelining"))) {
rv = prefs->GetBoolPref(HTTP_PREF("pipelining"), &cVar);
if (NS_SUCCEEDED(rv)) {
if (cVar)
mCapabilities |= NS_HTTP_ALLOW_PIPELINING;
else
mCapabilities &= ~NS_HTTP_ALLOW_PIPELINING;
}
}
if (PREF_CHANGED(HTTP_PREF("pipelining.maxrequests"))) {
rv = prefs->GetIntPref(HTTP_PREF("pipelining.maxrequests"), &val);
if (NS_SUCCEEDED(rv)) {
mMaxPipelinedRequests = clamped(val, 1, NS_HTTP_MAX_PIPELINED_REQUESTS);
if (mConnMgr)
mConnMgr->UpdateParam(nsHttpConnectionMgr::MAX_PIPELINED_REQUESTS,
mMaxPipelinedRequests);
}
}
if (PREF_CHANGED(HTTP_PREF("pipelining.ssl"))) {
rv = prefs->GetBoolPref(HTTP_PREF("pipelining.ssl"), &cVar);
if (NS_SUCCEEDED(rv))
mPipeliningOverSSL = cVar;
}
if (PREF_CHANGED(HTTP_PREF("proxy.pipelining"))) {
rv = prefs->GetBoolPref(HTTP_PREF("proxy.pipelining"), &cVar);
if (NS_SUCCEEDED(rv)) {
if (cVar)
mProxyCapabilities |= NS_HTTP_ALLOW_PIPELINING;
else
mProxyCapabilities &= ~NS_HTTP_ALLOW_PIPELINING;
}
}
if (PREF_CHANGED(HTTP_PREF("qos"))) {
rv = prefs->GetIntPref(HTTP_PREF("qos"), &val);
if (NS_SUCCEEDED(rv))
mQoSBits = (PRUint8) clamped(val, 0, 0xff);
}
if (PREF_CHANGED(HTTP_PREF("sendSecureXSiteReferrer"))) {
rv = prefs->GetBoolPref(HTTP_PREF("sendSecureXSiteReferrer"), &cVar);
if (NS_SUCCEEDED(rv))
mSendSecureXSiteReferrer = cVar;
}
if (PREF_CHANGED(HTTP_PREF("accept.default"))) {
nsXPIDLCString accept;
rv = prefs->GetCharPref(HTTP_PREF("accept.default"),
getter_Copies(accept));
if (NS_SUCCEEDED(rv))
SetAccept(accept);
}
if (PREF_CHANGED(HTTP_PREF("accept-encoding"))) {
nsXPIDLCString acceptEncodings;
rv = prefs->GetCharPref(HTTP_PREF("accept-encoding"),
getter_Copies(acceptEncodings));
if (NS_SUCCEEDED(rv))
SetAcceptEncodings(acceptEncodings);
}
if (PREF_CHANGED(HTTP_PREF("use-cache"))) {
rv = prefs->GetBoolPref(HTTP_PREF("use-cache"), &cVar);
if (NS_SUCCEEDED(rv)) {
mUseCache = cVar;
}
}
if (PREF_CHANGED(HTTP_PREF("default-socket-type"))) {
nsXPIDLCString sval;
rv = prefs->GetCharPref(HTTP_PREF("default-socket-type"),
getter_Copies(sval));
if (NS_SUCCEEDED(rv)) {
if (sval.IsEmpty())
mDefaultSocketType.Adopt(0);
else {
// verify that this socket type is actually valid
nsCOMPtr<nsISocketProviderService> sps(
do_GetService(NS_SOCKETPROVIDERSERVICE_CONTRACTID));
if (sps) {
nsCOMPtr<nsISocketProvider> sp;
rv = sps->GetSocketProvider(sval, getter_AddRefs(sp));
if (NS_SUCCEEDED(rv)) {
// OK, this looks like a valid socket provider.
mDefaultSocketType.Assign(sval);
}
}
}
}
}
if (PREF_CHANGED(HTTP_PREF("prompt-temp-redirect"))) {
rv = prefs->GetBoolPref(HTTP_PREF("prompt-temp-redirect"), &cVar);
if (NS_SUCCEEDED(rv)) {
mPromptTempRedirect = cVar;
}
}
// enable Persistent caching for HTTPS - bug#205921
if (PREF_CHANGED(BROWSER_PREF("disk_cache_ssl"))) {
cVar = false;
rv = prefs->GetBoolPref(BROWSER_PREF("disk_cache_ssl"), &cVar);
if (NS_SUCCEEDED(rv))
mEnablePersistentHttpsCaching = cVar;
}
if (PREF_CHANGED(HTTP_PREF("phishy-userpass-length"))) {
rv = prefs->GetIntPref(HTTP_PREF("phishy-userpass-length"), &val);
if (NS_SUCCEEDED(rv))
mPhishyUserPassLength = (PRUint8) clamped(val, 0, 0xff);
}
//
// INTL options
//
if (PREF_CHANGED(INTL_ACCEPT_LANGUAGES)) {
nsCOMPtr<nsIPrefLocalizedString> pls;
prefs->GetComplexValue(INTL_ACCEPT_LANGUAGES,
NS_GET_IID(nsIPrefLocalizedString),
getter_AddRefs(pls));
if (pls) {
nsXPIDLString uval;
pls->ToString(getter_Copies(uval));
if (uval)
SetAcceptLanguages(NS_ConvertUTF16toUTF8(uval).get());
}
}
//
// IDN options
//
if (PREF_CHANGED(NETWORK_ENABLEIDN)) {
bool enableIDN = false;
prefs->GetBoolPref(NETWORK_ENABLEIDN, &enableIDN);
// No locking is required here since this method runs in the main
// UI thread, and so do all the methods in nsHttpChannel.cpp
// (mIDNConverter is used by nsHttpChannel)
if (enableIDN && !mIDNConverter) {
mIDNConverter = do_GetService(NS_IDNSERVICE_CONTRACTID);
NS_ASSERTION(mIDNConverter, "idnSDK not installed");
}
else if (!enableIDN && mIDNConverter)
mIDNConverter = nsnull;
}
//
// Tracking options
//
if (PREF_CHANGED(DONOTTRACK_HEADER_ENABLED)) {
cVar = false;
rv = prefs->GetBoolPref(DONOTTRACK_HEADER_ENABLED, &cVar);
if (NS_SUCCEEDED(rv)) {
mDoNotTrackEnabled = cVar;
}
}
#undef PREF_CHANGED
#undef MULTI_PREF_CHANGED
}
/**
* Allocates a C string into that contains a ISO 639 language list
* notated with HTTP "q" values for output with a HTTP Accept-Language
* header. Previous q values will be stripped because the order of
* the langs imply the q value. The q values are calculated by dividing
* 1.0 amongst the number of languages present.
*
* Ex: passing: "en, ja"
* returns: "en,ja;q=0.5"
*
* passing: "en, ja, fr_CA"
* returns: "en,ja;q=0.7,fr_CA;q=0.3"
*/
static nsresult
PrepareAcceptLanguages(const char *i_AcceptLanguages, nsACString &o_AcceptLanguages)
{
if (!i_AcceptLanguages)
return NS_OK;
PRUint32 n, size, wrote;
double q, dec;
char *p, *p2, *token, *q_Accept, *o_Accept;
const char *comma;
PRInt32 available;
o_Accept = nsCRT::strdup(i_AcceptLanguages);
if (!o_Accept)
return NS_ERROR_OUT_OF_MEMORY;
for (p = o_Accept, n = size = 0; '\0' != *p; p++) {
if (*p == ',') n++;
size++;
}
available = size + ++n * 11 + 1;
q_Accept = new char[available];
if (!q_Accept) {
nsCRT::free(o_Accept);
return NS_ERROR_OUT_OF_MEMORY;
}
*q_Accept = '\0';
q = 1.0;
dec = q / (double) n;
n = 0;
p2 = q_Accept;
for (token = nsCRT::strtok(o_Accept, ",", &p);
token != (char *) 0;
token = nsCRT::strtok(p, ",", &p))
{
token = net_FindCharNotInSet(token, HTTP_LWS);
char* trim;
trim = net_FindCharInSet(token, ";" HTTP_LWS);
if (trim != (char*)0) // remove "; q=..." if present
*trim = '\0';
if (*token != '\0') {
comma = n++ != 0 ? "," : ""; // delimiter if not first item
PRUint32 u = QVAL_TO_UINT(q);
if (u < 10)
wrote = PR_snprintf(p2, available, "%s%s;q=0.%u", comma, token, u);
else
wrote = PR_snprintf(p2, available, "%s%s", comma, token);
q -= dec;
p2 += wrote;
available -= wrote;
NS_ASSERTION(available > 0, "allocated string not long enough");
}
}
nsCRT::free(o_Accept);
o_AcceptLanguages.Assign((const char *) q_Accept);
delete [] q_Accept;
return NS_OK;
}
nsresult
nsHttpHandler::SetAcceptLanguages(const char *aAcceptLanguages)
{
nsCAutoString buf;
nsresult rv = PrepareAcceptLanguages(aAcceptLanguages, buf);
if (NS_SUCCEEDED(rv))
mAcceptLanguages.Assign(buf);
return rv;
}
nsresult
nsHttpHandler::SetAccept(const char *aAccept)
{
mAccept = aAccept;
return NS_OK;
}
nsresult
nsHttpHandler::SetAcceptEncodings(const char *aAcceptEncodings)
{
mAcceptEncodings = aAcceptEncodings;
return NS_OK;
}
//-----------------------------------------------------------------------------
// nsHttpHandler::nsISupports
//-----------------------------------------------------------------------------
NS_IMPL_THREADSAFE_ISUPPORTS5(nsHttpHandler,
nsIHttpProtocolHandler,
nsIProxiedProtocolHandler,
nsIProtocolHandler,
nsIObserver,
nsISupportsWeakReference)
//-----------------------------------------------------------------------------
// nsHttpHandler::nsIProtocolHandler
//-----------------------------------------------------------------------------
NS_IMETHODIMP
nsHttpHandler::GetScheme(nsACString &aScheme)
{
aScheme.AssignLiteral("http");
return NS_OK;
}
NS_IMETHODIMP
nsHttpHandler::GetDefaultPort(PRInt32 *result)
{
*result = NS_HTTP_DEFAULT_PORT;
return NS_OK;
}
NS_IMETHODIMP
nsHttpHandler::GetProtocolFlags(PRUint32 *result)
{
*result = NS_HTTP_PROTOCOL_FLAGS;
return NS_OK;
}
NS_IMETHODIMP
nsHttpHandler::NewURI(const nsACString &aSpec,
const char *aCharset,
nsIURI *aBaseURI,
nsIURI **aURI)
{
LOG(("nsHttpHandler::NewURI\n"));
return ::NewURI(aSpec, aCharset, aBaseURI, NS_HTTP_DEFAULT_PORT, aURI);
}
NS_IMETHODIMP
nsHttpHandler::NewChannel(nsIURI *uri, nsIChannel **result)
{
LOG(("nsHttpHandler::NewChannel\n"));
NS_ENSURE_ARG_POINTER(uri);
NS_ENSURE_ARG_POINTER(result);
bool isHttp = false, isHttps = false;
// Verify that we have been given a valid scheme
nsresult rv = uri->SchemeIs("http", &isHttp);
if (NS_FAILED(rv)) return rv;
if (!isHttp) {
rv = uri->SchemeIs("https", &isHttps);
if (NS_FAILED(rv)) return rv;
if (!isHttps) {
NS_WARNING("Invalid URI scheme");
return NS_ERROR_UNEXPECTED;
}
}
return NewProxiedChannel(uri, nsnull, result);
}
NS_IMETHODIMP
nsHttpHandler::AllowPort(PRInt32 port, const char *scheme, bool *_retval)
{
// don't override anything.
*_retval = false;
return NS_OK;
}
//-----------------------------------------------------------------------------
// nsHttpHandler::nsIProxiedProtocolHandler
//-----------------------------------------------------------------------------
NS_IMETHODIMP
nsHttpHandler::NewProxiedChannel(nsIURI *uri,
nsIProxyInfo* givenProxyInfo,
nsIChannel **result)
{
nsRefPtr<HttpBaseChannel> httpChannel;
LOG(("nsHttpHandler::NewProxiedChannel [proxyInfo=%p]\n",
givenProxyInfo));
nsCOMPtr<nsProxyInfo> proxyInfo;
if (givenProxyInfo) {
proxyInfo = do_QueryInterface(givenProxyInfo);
NS_ENSURE_ARG(proxyInfo);
}
bool https;
nsresult rv = uri->SchemeIs("https", &https);
if (NS_FAILED(rv))
return rv;
if (IsNeckoChild()) {
httpChannel = new HttpChannelChild();
} else {
httpChannel = new nsHttpChannel();
}
// select proxy caps if using a non-transparent proxy. SSL tunneling
// should not use proxy settings.
PRInt8 caps;
if (proxyInfo && !nsCRT::strcmp(proxyInfo->Type(), "http") && !https)
caps = mProxyCapabilities;
else
caps = mCapabilities;
if (https) {
// enable pipelining over SSL if requested
if (mPipeliningOverSSL)
caps |= NS_HTTP_ALLOW_PIPELINING;
if (!IsNeckoChild()) {
// HACK: make sure PSM gets initialized on the main thread.
net_EnsurePSMInit();
}
}
rv = httpChannel->Init(uri, caps, proxyInfo);
if (NS_FAILED(rv))
return rv;
httpChannel.forget(result);
return NS_OK;
}
//-----------------------------------------------------------------------------
// nsHttpHandler::nsIHttpProtocolHandler
//-----------------------------------------------------------------------------
NS_IMETHODIMP
nsHttpHandler::GetUserAgent(nsACString &value)
{
value = UserAgent();
return NS_OK;
}
NS_IMETHODIMP
nsHttpHandler::GetAppName(nsACString &value)
{
value = mLegacyAppName;
return NS_OK;
}
NS_IMETHODIMP
nsHttpHandler::GetAppVersion(nsACString &value)
{
value = mLegacyAppVersion;
return NS_OK;
}
NS_IMETHODIMP
nsHttpHandler::GetProduct(nsACString &value)
{
value = mProduct;
return NS_OK;
}
NS_IMETHODIMP
nsHttpHandler::GetProductSub(nsACString &value)
{
value = mProductSub;
return NS_OK;
}
NS_IMETHODIMP
nsHttpHandler::GetPlatform(nsACString &value)
{
value = mPlatform;
return NS_OK;
}
NS_IMETHODIMP
nsHttpHandler::GetOscpu(nsACString &value)
{
value = mOscpu;
return NS_OK;
}
NS_IMETHODIMP
nsHttpHandler::GetMisc(nsACString &value)
{
value = mMisc;
return NS_OK;
}
//-----------------------------------------------------------------------------
// nsHttpHandler::nsIObserver
//-----------------------------------------------------------------------------
NS_IMETHODIMP
nsHttpHandler::Observe(nsISupports *subject,
const char *topic,
const PRUnichar *data)
{
LOG(("nsHttpHandler::Observe [topic=\"%s\"]\n", topic));
if (strcmp(topic, NS_PREFBRANCH_PREFCHANGE_TOPIC_ID) == 0) {
nsCOMPtr<nsIPrefBranch> prefBranch = do_QueryInterface(subject);
if (prefBranch)
PrefsChanged(prefBranch, NS_ConvertUTF16toUTF8(data).get());
}
else if (strcmp(topic, "profile-change-net-teardown") == 0 ||
strcmp(topic, NS_XPCOM_SHUTDOWN_OBSERVER_ID) == 0) {
// clear cache of all authentication credentials.
mAuthCache.ClearAll();
// ensure connection manager is shutdown
if (mConnMgr)
mConnMgr->Shutdown();
// need to reset the session start time since cache validation may
// depend on this value.
mSessionStartTime = NowInSeconds();
}
else if (strcmp(topic, "profile-change-net-restore") == 0) {
// initialize connection manager
InitConnectionMgr();
}
else if (strcmp(topic, "net:clear-active-logins") == 0) {
mAuthCache.ClearAll();
}
else if (strcmp(topic, NS_PRIVATE_BROWSING_SWITCH_TOPIC) == 0) {
if (NS_LITERAL_STRING(NS_PRIVATE_BROWSING_ENTER).Equals(data))
mInPrivateBrowsingMode = PRIVATE_BROWSING_ON;
else if (NS_LITERAL_STRING(NS_PRIVATE_BROWSING_LEAVE).Equals(data))
mInPrivateBrowsingMode = PRIVATE_BROWSING_OFF;
if (mConnMgr)
mConnMgr->ClosePersistentConnections();
}
else if (strcmp(topic, "net:prune-dead-connections") == 0) {
if (mConnMgr) {
mConnMgr->PruneDeadConnections();
}
}
return NS_OK;
}
//-----------------------------------------------------------------------------
// nsHttpsHandler implementation
//-----------------------------------------------------------------------------
NS_IMPL_THREADSAFE_ISUPPORTS4(nsHttpsHandler,
nsIHttpProtocolHandler,
nsIProxiedProtocolHandler,
nsIProtocolHandler,
nsISupportsWeakReference)
nsresult
nsHttpsHandler::Init()
{
nsCOMPtr<nsIProtocolHandler> httpHandler(
do_GetService(NS_NETWORK_PROTOCOL_CONTRACTID_PREFIX "http"));
NS_ASSERTION(httpHandler.get() != nsnull, "no http handler?");
return NS_OK;
}
NS_IMETHODIMP
nsHttpsHandler::GetScheme(nsACString &aScheme)
{
aScheme.AssignLiteral("https");
return NS_OK;
}
NS_IMETHODIMP
nsHttpsHandler::GetDefaultPort(PRInt32 *aPort)
{
*aPort = NS_HTTPS_DEFAULT_PORT;
return NS_OK;
}
NS_IMETHODIMP
nsHttpsHandler::GetProtocolFlags(PRUint32 *aProtocolFlags)
{
*aProtocolFlags = NS_HTTP_PROTOCOL_FLAGS;
return NS_OK;
}
NS_IMETHODIMP
nsHttpsHandler::NewURI(const nsACString &aSpec,
const char *aOriginCharset,
nsIURI *aBaseURI,
nsIURI **_retval)
{
return ::NewURI(aSpec, aOriginCharset, aBaseURI, NS_HTTPS_DEFAULT_PORT, _retval);
}
NS_IMETHODIMP
nsHttpsHandler::NewChannel(nsIURI *aURI, nsIChannel **_retval)
{
NS_ABORT_IF_FALSE(gHttpHandler, "Should have a HTTP handler by now.");
if (!gHttpHandler)
return NS_ERROR_UNEXPECTED;
return gHttpHandler->NewChannel(aURI, _retval);
}
NS_IMETHODIMP
nsHttpsHandler::AllowPort(PRInt32 aPort, const char *aScheme, bool *_retval)
{
// don't override anything.
*_retval = false;
return NS_OK;
}
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