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nsNetUtil.cpp
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nsNetUtil.cpp
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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* vim:set ts=4 sw=4 sts=4 et cin: */
/* 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/. */
#include "mozilla/LoadContext.h"
#include "mozilla/LoadInfo.h"
#include "mozilla/BasePrincipal.h"
#include "nsNetUtil.h"
#include "nsNetUtil.inl"
#include "mozIApplicationClearPrivateDataParams.h"
#include "nsCategoryCache.h"
#include "nsContentUtils.h"
#include "nsHashKeys.h"
#include "nsHttp.h"
#include "nsIAsyncStreamCopier.h"
#include "nsIAuthPrompt.h"
#include "nsIAuthPrompt2.h"
#include "nsIAuthPromptAdapterFactory.h"
#include "nsIBufferedStreams.h"
#include "nsIChannelEventSink.h"
#include "nsIContentSniffer.h"
#include "nsIDownloader.h"
#include "nsIFileProtocolHandler.h"
#include "nsIFileStreams.h"
#include "nsIFileURL.h"
#include "nsIIDNService.h"
#include "nsIInputStreamChannel.h"
#include "nsIInputStreamPump.h"
#include "nsIInterfaceRequestorUtils.h"
#include "nsILoadContext.h"
#include "nsIMIMEHeaderParam.h"
#include "nsIMutable.h"
#include "nsIOfflineCacheUpdate.h"
#include "nsIPersistentProperties2.h"
#include "nsIPrivateBrowsingChannel.h"
#include "nsIPropertyBag2.h"
#include "nsIProtocolProxyService.h"
#include "nsIRedirectChannelRegistrar.h"
#include "nsIRequestObserverProxy.h"
#include "nsIScriptSecurityManager.h"
#include "nsISimpleStreamListener.h"
#include "nsISocketProvider.h"
#include "nsISocketProviderService.h"
#include "nsIStandardURL.h"
#include "nsIStreamLoader.h"
#include "nsIIncrementalStreamLoader.h"
#include "nsIStreamTransportService.h"
#include "nsStringStream.h"
#include "nsISyncStreamListener.h"
#include "nsITransport.h"
#include "nsIUnicharStreamLoader.h"
#include "nsIURIWithPrincipal.h"
#include "nsIURLParser.h"
#include "nsIUUIDGenerator.h"
#include "nsIViewSourceChannel.h"
#include "nsInterfaceRequestorAgg.h"
#include "plstr.h"
#include "nsINestedURI.h"
#ifdef MOZ_WIDGET_GONK
#include "nsINetworkManager.h"
#include "nsThreadUtils.h" // for NS_IsMainThread
#endif
#include <limits>
#include "mozilla-config.h"
#include "plvmx.h"
nsresult /*NS_NewChannelWithNodeAndTriggeringPrincipal */
NS_NewChannelWithTriggeringPrincipal(nsIChannel **outChannel,
nsIURI *aUri,
nsINode *aLoadingNode,
nsIPrincipal *aTriggeringPrincipal,
nsSecurityFlags aSecurityFlags,
nsContentPolicyType aContentPolicyType,
nsILoadGroup *aLoadGroup /* = nullptr */,
nsIInterfaceRequestor *aCallbacks /* = nullptr */,
nsLoadFlags aLoadFlags /* = nsIRequest::LOAD_NORMAL */,
nsIIOService *aIoService /* = nullptr */)
{
MOZ_ASSERT(aLoadingNode);
NS_ASSERTION(aTriggeringPrincipal, "Can not create channel without a triggering Principal!");
return NS_NewChannelInternal(outChannel,
aUri,
aLoadingNode,
aLoadingNode->NodePrincipal(),
aTriggeringPrincipal,
aSecurityFlags,
aContentPolicyType,
aLoadGroup,
aCallbacks,
aLoadFlags,
aIoService);
}
// See NS_NewChannelInternal for usage and argument description
nsresult /*NS_NewChannelWithPrincipalAndTriggeringPrincipal */
NS_NewChannelWithTriggeringPrincipal(nsIChannel **outChannel,
nsIURI *aUri,
nsIPrincipal *aLoadingPrincipal,
nsIPrincipal *aTriggeringPrincipal,
nsSecurityFlags aSecurityFlags,
nsContentPolicyType aContentPolicyType,
nsILoadGroup *aLoadGroup /* = nullptr */,
nsIInterfaceRequestor *aCallbacks /* = nullptr */,
nsLoadFlags aLoadFlags /* = nsIRequest::LOAD_NORMAL */,
nsIIOService *aIoService /* = nullptr */)
{
NS_ASSERTION(aLoadingPrincipal, "Can not create channel without a loading Principal!");
return NS_NewChannelInternal(outChannel,
aUri,
nullptr, // aLoadingNode
aLoadingPrincipal,
aTriggeringPrincipal,
aSecurityFlags,
aContentPolicyType,
aLoadGroup,
aCallbacks,
aLoadFlags,
aIoService);
}
nsresult /* NS_NewChannelNode */
NS_NewChannel(nsIChannel **outChannel,
nsIURI *aUri,
nsINode *aLoadingNode,
nsSecurityFlags aSecurityFlags,
nsContentPolicyType aContentPolicyType,
nsILoadGroup *aLoadGroup /* = nullptr */,
nsIInterfaceRequestor *aCallbacks /* = nullptr */,
nsLoadFlags aLoadFlags /* = nsIRequest::LOAD_NORMAL */,
nsIIOService *aIoService /* = nullptr */)
{
NS_ASSERTION(aLoadingNode, "Can not create channel without a loading Node!");
return NS_NewChannelInternal(outChannel,
aUri,
aLoadingNode,
aLoadingNode->NodePrincipal(),
nullptr, // aTriggeringPrincipal
aSecurityFlags,
aContentPolicyType,
aLoadGroup,
aCallbacks,
aLoadFlags,
aIoService);
}
nsresult
NS_MakeAbsoluteURI(nsACString &result,
const nsACString &spec,
nsIURI *baseURI)
{
nsresult rv;
if (!baseURI) {
NS_WARNING("It doesn't make sense to not supply a base URI");
result = spec;
rv = NS_OK;
}
else if (spec.IsEmpty())
rv = baseURI->GetSpec(result);
else
rv = baseURI->Resolve(spec, result);
return rv;
}
nsresult
NS_MakeAbsoluteURI(char **result,
const char *spec,
nsIURI *baseURI)
{
nsresult rv;
nsAutoCString resultBuf;
rv = NS_MakeAbsoluteURI(resultBuf, nsDependentCString(spec), baseURI);
if (NS_SUCCEEDED(rv)) {
*result = ToNewCString(resultBuf);
if (!*result)
rv = NS_ERROR_OUT_OF_MEMORY;
}
return rv;
}
nsresult
NS_MakeAbsoluteURI(nsAString &result,
const nsAString &spec,
nsIURI *baseURI)
{
nsresult rv;
if (!baseURI) {
NS_WARNING("It doesn't make sense to not supply a base URI");
result = spec;
rv = NS_OK;
}
else {
nsAutoCString resultBuf;
if (spec.IsEmpty())
rv = baseURI->GetSpec(resultBuf);
else
rv = baseURI->Resolve(NS_ConvertUTF16toUTF8(spec), resultBuf);
if (NS_SUCCEEDED(rv))
CopyUTF8toUTF16(resultBuf, result);
}
return rv;
}
int32_t
NS_GetDefaultPort(const char *scheme,
nsIIOService *ioService /* = nullptr */)
{
nsresult rv;
nsCOMPtr<nsIIOService> grip;
net_EnsureIOService(&ioService, grip);
if (!ioService)
return -1;
nsCOMPtr<nsIProtocolHandler> handler;
rv = ioService->GetProtocolHandler(scheme, getter_AddRefs(handler));
if (NS_FAILED(rv))
return -1;
int32_t port;
rv = handler->GetDefaultPort(&port);
return NS_SUCCEEDED(rv) ? port : -1;
}
/**
* This function is a helper function to apply the ToAscii conversion
* to a string
*/
bool
NS_StringToACE(const nsACString &idn, nsACString &result)
{
nsCOMPtr<nsIIDNService> idnSrv = do_GetService(NS_IDNSERVICE_CONTRACTID);
if (!idnSrv)
return false;
nsresult rv = idnSrv->ConvertUTF8toACE(idn, result);
if (NS_FAILED(rv))
return false;
return true;
}
int32_t
NS_GetRealPort(nsIURI *aURI)
{
int32_t port;
nsresult rv = aURI->GetPort(&port);
if (NS_FAILED(rv))
return -1;
if (port != -1)
return port; // explicitly specified
// Otherwise, we have to get the default port from the protocol handler
// Need the scheme first
nsAutoCString scheme;
rv = aURI->GetScheme(scheme);
if (NS_FAILED(rv))
return -1;
return NS_GetDefaultPort(scheme.get());
}
nsresult /* NS_NewInputStreamChannelWithLoadInfo */
NS_NewInputStreamChannelInternal(nsIChannel **outChannel,
nsIURI *aUri,
nsIInputStream *aStream,
const nsACString &aContentType,
const nsACString &aContentCharset,
nsILoadInfo *aLoadInfo)
{
nsresult rv;
nsCOMPtr<nsIInputStreamChannel> isc =
do_CreateInstance(NS_INPUTSTREAMCHANNEL_CONTRACTID, &rv);
NS_ENSURE_SUCCESS(rv, rv);
rv = isc->SetURI(aUri);
NS_ENSURE_SUCCESS(rv, rv);
rv = isc->SetContentStream(aStream);
NS_ENSURE_SUCCESS(rv, rv);
nsCOMPtr<nsIChannel> channel = do_QueryInterface(isc, &rv);
NS_ENSURE_SUCCESS(rv, rv);
if (!aContentType.IsEmpty()) {
rv = channel->SetContentType(aContentType);
NS_ENSURE_SUCCESS(rv, rv);
}
if (!aContentCharset.IsEmpty()) {
rv = channel->SetContentCharset(aContentCharset);
NS_ENSURE_SUCCESS(rv, rv);
}
channel->SetLoadInfo(aLoadInfo);
// If we're sandboxed, make sure to clear any owner the channel
// might already have.
if (aLoadInfo && aLoadInfo->GetLoadingSandboxed()) {
channel->SetOwner(nullptr);
}
channel.forget(outChannel);
return NS_OK;
}
nsresult
NS_NewInputStreamChannelInternal(nsIChannel **outChannel,
nsIURI *aUri,
nsIInputStream *aStream,
const nsACString &aContentType,
const nsACString &aContentCharset,
nsINode *aLoadingNode,
nsIPrincipal *aLoadingPrincipal,
nsIPrincipal *aTriggeringPrincipal,
nsSecurityFlags aSecurityFlags,
nsContentPolicyType aContentPolicyType)
{
nsCOMPtr<nsILoadInfo> loadInfo =
new mozilla::LoadInfo(aLoadingPrincipal,
aTriggeringPrincipal,
aLoadingNode,
aSecurityFlags,
aContentPolicyType);
if (!loadInfo) {
return NS_ERROR_UNEXPECTED;
}
return NS_NewInputStreamChannelInternal(outChannel,
aUri,
aStream,
aContentType,
aContentCharset,
loadInfo);
}
nsresult /* NS_NewInputStreamChannelPrincipal */
NS_NewInputStreamChannel(nsIChannel **outChannel,
nsIURI *aUri,
nsIInputStream *aStream,
nsIPrincipal *aLoadingPrincipal,
nsSecurityFlags aSecurityFlags,
nsContentPolicyType aContentPolicyType,
const nsACString &aContentType /* = EmptyCString() */,
const nsACString &aContentCharset /* = EmptyCString() */)
{
return NS_NewInputStreamChannelInternal(outChannel,
aUri,
aStream,
aContentType,
aContentCharset,
nullptr, // aLoadingNode
aLoadingPrincipal,
nullptr, // aTriggeringPrincipal
aSecurityFlags,
aContentPolicyType);
}
nsresult
NS_NewInputStreamChannelInternal(nsIChannel **outChannel,
nsIURI *aUri,
const nsAString &aData,
const nsACString &aContentType,
nsINode *aLoadingNode,
nsIPrincipal *aLoadingPrincipal,
nsIPrincipal *aTriggeringPrincipal,
nsSecurityFlags aSecurityFlags,
nsContentPolicyType aContentPolicyType,
bool aIsSrcdocChannel /* = false */)
{
nsresult rv;
nsCOMPtr<nsIStringInputStream> stream;
stream = do_CreateInstance(NS_STRINGINPUTSTREAM_CONTRACTID, &rv);
NS_ENSURE_SUCCESS(rv, rv);
#ifdef MOZILLA_INTERNAL_API
uint32_t len;
char* utf8Bytes = ToNewUTF8String(aData, &len);
rv = stream->AdoptData(utf8Bytes, len);
#else
char* utf8Bytes = ToNewUTF8String(aData);
rv = stream->AdoptData(utf8Bytes, strlen(utf8Bytes));
#endif
nsCOMPtr<nsIChannel> channel;
rv = NS_NewInputStreamChannelInternal(getter_AddRefs(channel),
aUri,
stream,
aContentType,
NS_LITERAL_CSTRING("UTF-8"),
aLoadingNode,
aLoadingPrincipal,
aTriggeringPrincipal,
aSecurityFlags,
aContentPolicyType);
NS_ENSURE_SUCCESS(rv, rv);
if (aIsSrcdocChannel) {
nsCOMPtr<nsIInputStreamChannel> inStrmChan = do_QueryInterface(channel);
NS_ENSURE_TRUE(inStrmChan, NS_ERROR_FAILURE);
inStrmChan->SetSrcdocData(aData);
}
channel.forget(outChannel);
return NS_OK;
}
nsresult
NS_NewInputStreamChannel(nsIChannel **outChannel,
nsIURI *aUri,
const nsAString &aData,
const nsACString &aContentType,
nsIPrincipal *aLoadingPrincipal,
nsSecurityFlags aSecurityFlags,
nsContentPolicyType aContentPolicyType,
bool aIsSrcdocChannel /* = false */)
{
return NS_NewInputStreamChannelInternal(outChannel,
aUri,
aData,
aContentType,
nullptr, // aLoadingNode
aLoadingPrincipal,
nullptr, // aTriggeringPrincipal
aSecurityFlags,
aContentPolicyType,
aIsSrcdocChannel);
}
nsresult
NS_NewInputStreamPump(nsIInputStreamPump **result,
nsIInputStream *stream,
int64_t streamPos /* = int64_t(-1) */,
int64_t streamLen /* = int64_t(-1) */,
uint32_t segsize /* = 0 */,
uint32_t segcount /* = 0 */,
bool closeWhenDone /* = false */)
{
nsresult rv;
nsCOMPtr<nsIInputStreamPump> pump =
do_CreateInstance(NS_INPUTSTREAMPUMP_CONTRACTID, &rv);
if (NS_SUCCEEDED(rv)) {
rv = pump->Init(stream, streamPos, streamLen,
segsize, segcount, closeWhenDone);
if (NS_SUCCEEDED(rv)) {
*result = nullptr;
pump.swap(*result);
}
}
return rv;
}
nsresult
NS_NewAsyncStreamCopier(nsIAsyncStreamCopier **result,
nsIInputStream *source,
nsIOutputStream *sink,
nsIEventTarget *target,
bool sourceBuffered /* = true */,
bool sinkBuffered /* = true */,
uint32_t chunkSize /* = 0 */,
bool closeSource /* = true */,
bool closeSink /* = true */)
{
nsresult rv;
nsCOMPtr<nsIAsyncStreamCopier> copier =
do_CreateInstance(NS_ASYNCSTREAMCOPIER_CONTRACTID, &rv);
if (NS_SUCCEEDED(rv)) {
rv = copier->Init(source, sink, target, sourceBuffered, sinkBuffered,
chunkSize, closeSource, closeSink);
if (NS_SUCCEEDED(rv)) {
*result = nullptr;
copier.swap(*result);
}
}
return rv;
}
nsresult
NS_NewLoadGroup(nsILoadGroup **result,
nsIRequestObserver *obs)
{
nsresult rv;
nsCOMPtr<nsILoadGroup> group =
do_CreateInstance(NS_LOADGROUP_CONTRACTID, &rv);
if (NS_SUCCEEDED(rv)) {
rv = group->SetGroupObserver(obs);
if (NS_SUCCEEDED(rv)) {
*result = nullptr;
group.swap(*result);
}
}
return rv;
}
bool NS_IsReasonableHTTPHeaderValue(const nsACString &aValue)
{
return mozilla::net::nsHttp::IsReasonableHeaderValue(aValue);
}
bool NS_IsValidHTTPToken(const nsACString &aToken)
{
return mozilla::net::nsHttp::IsValidToken(aToken);
}
nsresult
NS_NewLoadGroup(nsILoadGroup **aResult, nsIPrincipal *aPrincipal)
{
using mozilla::LoadContext;
nsresult rv;
nsCOMPtr<nsILoadGroup> group =
do_CreateInstance(NS_LOADGROUP_CONTRACTID, &rv);
NS_ENSURE_SUCCESS(rv, rv);
RefPtr<LoadContext> loadContext = new LoadContext(aPrincipal);
rv = group->SetNotificationCallbacks(loadContext);
NS_ENSURE_SUCCESS(rv, rv);
group.forget(aResult);
return rv;
}
bool
NS_LoadGroupMatchesPrincipal(nsILoadGroup *aLoadGroup,
nsIPrincipal *aPrincipal)
{
if (!aPrincipal) {
return false;
}
// If this is a null principal then the load group doesn't really matter.
// The principal will not be allowed to perform any actions that actually
// use the load group. Unconditionally treat null principals as a match.
bool isNullPrincipal;
nsresult rv = aPrincipal->GetIsNullPrincipal(&isNullPrincipal);
NS_ENSURE_SUCCESS(rv, false);
if (isNullPrincipal) {
return true;
}
if (!aLoadGroup) {
return false;
}
nsCOMPtr<nsILoadContext> loadContext;
NS_QueryNotificationCallbacks(nullptr, aLoadGroup, NS_GET_IID(nsILoadContext),
getter_AddRefs(loadContext));
NS_ENSURE_TRUE(loadContext, false);
// Verify load context appId and browser flag match the principal
uint32_t contextAppId;
bool contextInBrowserElement;
rv = loadContext->GetAppId(&contextAppId);
NS_ENSURE_SUCCESS(rv, false);
rv = loadContext->GetIsInBrowserElement(&contextInBrowserElement);
NS_ENSURE_SUCCESS(rv, false);
uint32_t principalAppId;
bool principalInBrowserElement;
rv = aPrincipal->GetAppId(&principalAppId);
NS_ENSURE_SUCCESS(rv, false);
rv = aPrincipal->GetIsInBrowserElement(&principalInBrowserElement);
NS_ENSURE_SUCCESS(rv, false);
return contextAppId == principalAppId &&
contextInBrowserElement == principalInBrowserElement;
}
nsresult
NS_NewDownloader(nsIStreamListener **result,
nsIDownloadObserver *observer,
nsIFile *downloadLocation /* = nullptr */)
{
nsresult rv;
nsCOMPtr<nsIDownloader> downloader =
do_CreateInstance(NS_DOWNLOADER_CONTRACTID, &rv);
if (NS_SUCCEEDED(rv)) {
rv = downloader->Init(observer, downloadLocation);
if (NS_SUCCEEDED(rv)) {
downloader.forget(result);
}
}
return rv;
}
nsresult
NS_NewIncrementalStreamLoader(nsIIncrementalStreamLoader **result,
nsIIncrementalStreamLoaderObserver *observer)
{
nsresult rv;
nsCOMPtr<nsIIncrementalStreamLoader> loader =
do_CreateInstance(NS_INCREMENTALSTREAMLOADER_CONTRACTID, &rv);
if (NS_SUCCEEDED(rv)) {
rv = loader->Init(observer);
if (NS_SUCCEEDED(rv)) {
*result = nullptr;
loader.swap(*result);
}
}
return rv;
}
nsresult
NS_NewStreamLoaderInternal(nsIStreamLoader **outStream,
nsIURI *aUri,
nsIStreamLoaderObserver *aObserver,
nsINode *aLoadingNode,
nsIPrincipal *aLoadingPrincipal,
nsSecurityFlags aSecurityFlags,
nsContentPolicyType aContentPolicyType,
nsILoadGroup *aLoadGroup /* = nullptr */,
nsIInterfaceRequestor *aCallbacks /* = nullptr */,
nsLoadFlags aLoadFlags /* = nsIRequest::LOAD_NORMAL */,
nsIURI *aReferrer /* = nullptr */)
{
nsCOMPtr<nsIChannel> channel;
nsresult rv = NS_NewChannelInternal(getter_AddRefs(channel),
aUri,
aLoadingNode,
aLoadingPrincipal,
nullptr, // aTriggeringPrincipal
aSecurityFlags,
aContentPolicyType,
aLoadGroup,
aCallbacks,
aLoadFlags);
NS_ENSURE_SUCCESS(rv, rv);
nsCOMPtr<nsIHttpChannel> httpChannel(do_QueryInterface(channel));
if (httpChannel) {
httpChannel->SetReferrer(aReferrer);
}
rv = NS_NewStreamLoader(outStream, aObserver);
NS_ENSURE_SUCCESS(rv, rv);
return channel->AsyncOpen2(*outStream);
}
nsresult /* NS_NewStreamLoaderNode */
NS_NewStreamLoader(nsIStreamLoader **outStream,
nsIURI *aUri,
nsIStreamLoaderObserver *aObserver,
nsINode *aLoadingNode,
nsSecurityFlags aSecurityFlags,
nsContentPolicyType aContentPolicyType,
nsILoadGroup *aLoadGroup /* = nullptr */,
nsIInterfaceRequestor *aCallbacks /* = nullptr */,
nsLoadFlags aLoadFlags /* = nsIRequest::LOAD_NORMAL */,
nsIURI *aReferrer /* = nullptr */)
{
NS_ASSERTION(aLoadingNode, "Can not create stream loader without a loading Node!");
return NS_NewStreamLoaderInternal(outStream,
aUri,
aObserver,
aLoadingNode,
aLoadingNode->NodePrincipal(),
aSecurityFlags,
aContentPolicyType,
aLoadGroup,
aCallbacks,
aLoadFlags,
aReferrer);
}
nsresult /* NS_NewStreamLoaderPrincipal */
NS_NewStreamLoader(nsIStreamLoader **outStream,
nsIURI *aUri,
nsIStreamLoaderObserver *aObserver,
nsIPrincipal *aLoadingPrincipal,
nsSecurityFlags aSecurityFlags,
nsContentPolicyType aContentPolicyType,
nsILoadGroup *aLoadGroup /* = nullptr */,
nsIInterfaceRequestor *aCallbacks /* = nullptr */,
nsLoadFlags aLoadFlags /* = nsIRequest::LOAD_NORMAL */,
nsIURI *aReferrer /* = nullptr */)
{
return NS_NewStreamLoaderInternal(outStream,
aUri,
aObserver,
nullptr, // aLoadingNode
aLoadingPrincipal,
aSecurityFlags,
aContentPolicyType,
aLoadGroup,
aCallbacks,
aLoadFlags,
aReferrer);
}
nsresult
NS_NewUnicharStreamLoader(nsIUnicharStreamLoader **result,
nsIUnicharStreamLoaderObserver *observer)
{
nsresult rv;
nsCOMPtr<nsIUnicharStreamLoader> loader =
do_CreateInstance(NS_UNICHARSTREAMLOADER_CONTRACTID, &rv);
if (NS_SUCCEEDED(rv)) {
rv = loader->Init(observer);
if (NS_SUCCEEDED(rv)) {
*result = nullptr;
loader.swap(*result);
}
}
return rv;
}
nsresult
NS_NewSyncStreamListener(nsIStreamListener **result,
nsIInputStream **stream)
{
nsresult rv;
nsCOMPtr<nsISyncStreamListener> listener =
do_CreateInstance(NS_SYNCSTREAMLISTENER_CONTRACTID, &rv);
if (NS_SUCCEEDED(rv)) {
rv = listener->GetInputStream(stream);
if (NS_SUCCEEDED(rv)) {
listener.forget(result);
}
}
return rv;
}
nsresult
NS_ImplementChannelOpen(nsIChannel *channel,
nsIInputStream **result)
{
nsCOMPtr<nsIStreamListener> listener;
nsCOMPtr<nsIInputStream> stream;
nsresult rv = NS_NewSyncStreamListener(getter_AddRefs(listener),
getter_AddRefs(stream));
if (NS_SUCCEEDED(rv)) {
rv = channel->AsyncOpen(listener, nullptr);
if (NS_SUCCEEDED(rv)) {
uint64_t n;
// block until the initial response is received or an error occurs.
rv = stream->Available(&n);
if (NS_SUCCEEDED(rv)) {
*result = nullptr;
stream.swap(*result);
}
}
}
return rv;
}
nsresult
NS_NewRequestObserverProxy(nsIRequestObserver **result,
nsIRequestObserver *observer,
nsISupports *context)
{
nsresult rv;
nsCOMPtr<nsIRequestObserverProxy> proxy =
do_CreateInstance(NS_REQUESTOBSERVERPROXY_CONTRACTID, &rv);
if (NS_SUCCEEDED(rv)) {
rv = proxy->Init(observer, context);
if (NS_SUCCEEDED(rv)) {
proxy.forget(result);
}
}
return rv;
}
nsresult
NS_NewSimpleStreamListener(nsIStreamListener **result,
nsIOutputStream *sink,
nsIRequestObserver *observer /* = nullptr */)
{
nsresult rv;
nsCOMPtr<nsISimpleStreamListener> listener =
do_CreateInstance(NS_SIMPLESTREAMLISTENER_CONTRACTID, &rv);
if (NS_SUCCEEDED(rv)) {
rv = listener->Init(sink, observer);
if (NS_SUCCEEDED(rv)) {
listener.forget(result);
}
}
return rv;
}
nsresult
NS_CheckPortSafety(int32_t port,
const char *scheme,
nsIIOService *ioService /* = nullptr */)
{
nsresult rv;
nsCOMPtr<nsIIOService> grip;
rv = net_EnsureIOService(&ioService, grip);
if (ioService) {
bool allow;
rv = ioService->AllowPort(port, scheme, &allow);
if (NS_SUCCEEDED(rv) && !allow) {
NS_WARNING("port blocked");
rv = NS_ERROR_PORT_ACCESS_NOT_ALLOWED;
}
}
return rv;
}
nsresult
NS_CheckPortSafety(nsIURI *uri)
{
int32_t port;
nsresult rv = uri->GetPort(&port);
if (NS_FAILED(rv) || port == -1) // port undefined or default-valued
return NS_OK;
nsAutoCString scheme;
uri->GetScheme(scheme);
return NS_CheckPortSafety(port, scheme.get());
}
nsresult
NS_NewProxyInfo(const nsACString &type,
const nsACString &host,
int32_t port,
uint32_t flags,
nsIProxyInfo **result)
{
nsresult rv;
nsCOMPtr<nsIProtocolProxyService> pps =
do_GetService(NS_PROTOCOLPROXYSERVICE_CONTRACTID, &rv);
if (NS_SUCCEEDED(rv))
rv = pps->NewProxyInfo(type, host, port, flags, UINT32_MAX, nullptr,
result);
return rv;
}
nsresult
NS_GetFileProtocolHandler(nsIFileProtocolHandler **result,
nsIIOService *ioService /* = nullptr */)
{
nsresult rv;
nsCOMPtr<nsIIOService> grip;
rv = net_EnsureIOService(&ioService, grip);
if (ioService) {
nsCOMPtr<nsIProtocolHandler> handler;
rv = ioService->GetProtocolHandler("file", getter_AddRefs(handler));
if (NS_SUCCEEDED(rv))
rv = CallQueryInterface(handler, result);
}
return rv;
}
nsresult
NS_GetFileFromURLSpec(const nsACString &inURL,
nsIFile **result,
nsIIOService *ioService /* = nullptr */)
{
nsresult rv;
nsCOMPtr<nsIFileProtocolHandler> fileHandler;
rv = NS_GetFileProtocolHandler(getter_AddRefs(fileHandler), ioService);
if (NS_SUCCEEDED(rv))
rv = fileHandler->GetFileFromURLSpec(inURL, result);
return rv;
}
nsresult
NS_GetURLSpecFromFile(nsIFile *file,
nsACString &url,
nsIIOService *ioService /* = nullptr */)
{
nsresult rv;
nsCOMPtr<nsIFileProtocolHandler> fileHandler;
rv = NS_GetFileProtocolHandler(getter_AddRefs(fileHandler), ioService);
if (NS_SUCCEEDED(rv))
rv = fileHandler->GetURLSpecFromFile(file, url);
return rv;
}
nsresult
NS_GetURLSpecFromActualFile(nsIFile *file,
nsACString &url,
nsIIOService *ioService /* = nullptr */)
{
nsresult rv;
nsCOMPtr<nsIFileProtocolHandler> fileHandler;
rv = NS_GetFileProtocolHandler(getter_AddRefs(fileHandler), ioService);
if (NS_SUCCEEDED(rv))
rv = fileHandler->GetURLSpecFromActualFile(file, url);
return rv;
}
nsresult
NS_GetURLSpecFromDir(nsIFile *file,
nsACString &url,
nsIIOService *ioService /* = nullptr */)
{
nsresult rv;
nsCOMPtr<nsIFileProtocolHandler> fileHandler;
rv = NS_GetFileProtocolHandler(getter_AddRefs(fileHandler), ioService);
if (NS_SUCCEEDED(rv))
rv = fileHandler->GetURLSpecFromDir(file, url);
return rv;
}
nsresult
NS_GetReferrerFromChannel(nsIChannel *channel,
nsIURI **referrer)
{
nsresult rv = NS_ERROR_NOT_AVAILABLE;
*referrer = nullptr;
nsCOMPtr<nsIPropertyBag2> props(do_QueryInterface(channel));
if (props) {
// We have to check for a property on a property bag because the
// referrer may be empty for security reasons (for example, when loading
// an http page with an https referrer).
rv = props->GetPropertyAsInterface(NS_LITERAL_STRING("docshell.internalReferrer"),
NS_GET_IID(nsIURI),
reinterpret_cast<void **>(referrer));
if (NS_FAILED(rv))
*referrer = nullptr;
}
// if that didn't work, we can still try to get the referrer from the
// nsIHttpChannel (if we can QI to it)
if (!(*referrer)) {
nsCOMPtr<nsIHttpChannel> chan(do_QueryInterface(channel));
if (chan) {
rv = chan->GetReferrer(referrer);
if (NS_FAILED(rv))
*referrer = nullptr;
}
}
return rv;
}
nsresult
NS_ParseRequestContentType(const nsACString &rawContentType,
nsCString &contentType,
nsCString &contentCharset)
{
// contentCharset is left untouched if not present in rawContentType
nsresult rv;
nsCOMPtr<nsINetUtil> util = do_GetNetUtil(&rv);
NS_ENSURE_SUCCESS(rv, rv);
nsCString charset;
bool hadCharset;
rv = util->ParseRequestContentType(rawContentType, charset, &hadCharset,
contentType);
if (NS_SUCCEEDED(rv) && hadCharset)
contentCharset = charset;
return rv;
}
nsresult
NS_ParseResponseContentType(const nsACString &rawContentType,
nsCString &contentType,
nsCString &contentCharset)
{
// contentCharset is left untouched if not present in rawContentType
nsresult rv;
nsCOMPtr<nsINetUtil> util = do_GetNetUtil(&rv);
NS_ENSURE_SUCCESS(rv, rv);
nsCString charset;
bool hadCharset;
rv = util->ParseResponseContentType(rawContentType, charset, &hadCharset,
contentType);
if (NS_SUCCEEDED(rv) && hadCharset)
contentCharset = charset;
return rv;
}
nsresult
NS_ExtractCharsetFromContentType(const nsACString &rawContentType,
nsCString &contentCharset,
bool *hadCharset,
int32_t *charsetStart,
int32_t *charsetEnd)
{
// contentCharset is left untouched if not present in rawContentType
nsresult rv;
nsCOMPtr<nsINetUtil> util = do_GetNetUtil(&rv);
NS_ENSURE_SUCCESS(rv, rv);
return util->ExtractCharsetFromContentType(rawContentType,
contentCharset,
charsetStart,
charsetEnd,
hadCharset);
}
nsresult
NS_NewPartialLocalFileInputStream(nsIInputStream **result,
nsIFile *file,
uint64_t offset,
uint64_t length,
int32_t ioFlags /* = -1 */,
int32_t perm /* = -1 */,
int32_t behaviorFlags /* = 0 */)
{
nsresult rv;
nsCOMPtr<nsIPartialFileInputStream> in =
do_CreateInstance(NS_PARTIALLOCALFILEINPUTSTREAM_CONTRACTID, &rv);
if (NS_SUCCEEDED(rv)) {
rv = in->Init(file, offset, length, ioFlags, perm, behaviorFlags);
if (NS_SUCCEEDED(rv))
rv = CallQueryInterface(in, result);
}
return rv;