Add m-esr52 at 52.6.0

1 files changed, 2459 insertions, 0 deletions

diff --git a/netwerk/base/nsNetUtil.cpp b/netwerk/base/nsNetUtil.cpp
new file mode 100644
index 000000000..8ff3e788f
--- /dev/null
+++ b/netwerk/base/nsNetUtil.cpp
@@ -0,0 +1,2459 @@
+/* -*- 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/. */
+
+// HttpLog.h should generally be included first
+#include "HttpLog.h"
+
+#include "mozilla/LoadContext.h"
+#include "mozilla/LoadInfo.h"
+#include "mozilla/BasePrincipal.h"
+#include "mozilla/Telemetry.h"
+#include "nsNetUtil.h"
+#include "nsNetUtilInlines.h"
+#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 "nsIDocument.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 "nsINode.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"
+#include "mozilla/dom/nsCSPUtils.h"
+#include "mozilla/net/HttpBaseChannel.h"
+#include "nsIScriptError.h"
+#include "nsISiteSecurityService.h"
+#include "nsHttpHandler.h"
+#include "nsNSSComponent.h"
+
+#ifdef MOZ_WIDGET_GONK
+#include "nsINetworkManager.h"
+#include "nsThreadUtils.h" // for NS_IsMainThread
+#endif
+
+#include <limits>
+
+using namespace mozilla;
+using namespace mozilla::net;
+
+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,
+                                 nsILoadInfo        *aLoadInfo,
+                                 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"),
+                                        aLoadInfo);
+
+  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_NewInputStreamChannelInternal(nsIChannel        **outChannel,
+                                 nsIURI             *aUri,
+                                 const nsAString    &aData,
+                                 const nsACString   &aContentType,
+                                 nsINode            *aLoadingNode,
+                                 nsIPrincipal       *aLoadingPrincipal,
+                                 nsIPrincipal       *aTriggeringPrincipal,
+                                 nsSecurityFlags     aSecurityFlags,
+                                 nsContentPolicyType aContentPolicyType,
+                                 bool                aIsSrcdocChannel /* = false */)
+{
+  nsCOMPtr<nsILoadInfo> loadInfo =
+      new mozilla::LoadInfo(aLoadingPrincipal, aTriggeringPrincipal,
+                            aLoadingNode, aSecurityFlags, aContentPolicyType);
+  return NS_NewInputStreamChannelInternal(outChannel, aUri, aData, aContentType,
+                                          loadInfo, aIsSrcdocChannel);
+}
+
+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.
+    if (aPrincipal->GetIsNullPrincipal()) {
+      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 contextInIsolatedBrowser;
+    nsresult rv = loadContext->GetAppId(&contextAppId);
+    NS_ENSURE_SUCCESS(rv, false);
+    rv = loadContext->GetIsInIsolatedMozBrowserElement(&contextInIsolatedBrowser);
+    NS_ENSURE_SUCCESS(rv, false);
+
+    return contextAppId == aPrincipal->GetAppId() &&
+           contextInIsolatedBrowser == aPrincipal->GetIsInIsolatedMozBrowserElement();
+}
+
+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));
+    NS_ENSURE_SUCCESS(rv, rv);
+
+    rv = NS_MaybeOpenChannelUsingAsyncOpen2(channel, listener);
+    NS_ENSURE_SUCCESS(rv, rv);
+
+    uint64_t n;
+    // block until the initial response is received or an error occurs.
+    rv = stream->Available(&n);
+    NS_ENSURE_SUCCESS(rv, rv);
+
+    *result = nullptr;
+    stream.swap(*result);
+
+    return NS_OK;
+ }
+
+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;
+}
+
+nsresult
+NS_NewAtomicFileOutputStream(nsIOutputStream **result,
+                                nsIFile       *file,
+                                int32_t        ioFlags       /* = -1 */,
+                                int32_t        perm          /* = -1 */,
+                                int32_t        behaviorFlags /* = 0 */)
+{
+    nsresult rv;
+    nsCOMPtr<nsIFileOutputStream> out =
+        do_CreateInstance(NS_ATOMICLOCALFILEOUTPUTSTREAM_CONTRACTID, &rv);
+    if (NS_SUCCEEDED(rv)) {
+        rv = out->Init(file, ioFlags, perm, behaviorFlags);
+        if (NS_SUCCEEDED(rv))
+            out.forget(result);
+    }
+    return rv;
+}
+
+nsresult
+NS_NewSafeLocalFileOutputStream(nsIOutputStream **result,
+                                nsIFile          *file,
+                                int32_t           ioFlags       /* = -1 */,
+                                int32_t           perm          /* = -1 */,
+                                int32_t           behaviorFlags /* = 0 */)
+{
+    nsresult rv;
+    nsCOMPtr<nsIFileOutputStream> out =
+        do_CreateInstance(NS_SAFELOCALFILEOUTPUTSTREAM_CONTRACTID, &rv);
+    if (NS_SUCCEEDED(rv)) {
+        rv = out->Init(file, ioFlags, perm, behaviorFlags);
+        if (NS_SUCCEEDED(rv))
+            out.forget(result);
+    }
+    return rv;
+}
+
+nsresult
+NS_NewLocalFileStream(nsIFileStream **result,
+                      nsIFile        *file,
+                      int32_t         ioFlags       /* = -1 */,
+                      int32_t         perm          /* = -1 */,
+                      int32_t         behaviorFlags /* = 0 */)
+{
+    nsresult rv;
+    nsCOMPtr<nsIFileStream> stream =
+        do_CreateInstance(NS_LOCALFILESTREAM_CONTRACTID, &rv);
+    if (NS_SUCCEEDED(rv)) {
+        rv = stream->Init(file, ioFlags, perm, behaviorFlags);
+        if (NS_SUCCEEDED(rv))
+            stream.forget(result);
+    }
+    return rv;
+}
+
+nsresult
+NS_BackgroundInputStream(nsIInputStream **result,
+                         nsIInputStream  *stream,
+                         uint32_t         segmentSize /* = 0 */,
+                         uint32_t         segmentCount /* = 0 */)
+{
+    nsresult rv;
+    nsCOMPtr<nsIStreamTransportService> sts =
+        do_GetService(NS_STREAMTRANSPORTSERVICE_CONTRACTID, &rv);
+    if (NS_SUCCEEDED(rv)) {
+        nsCOMPtr<nsITransport> inTransport;
+        rv = sts->CreateInputTransport(stream, int64_t(-1), int64_t(-1),
+                                       true, getter_AddRefs(inTransport));
+        if (NS_SUCCEEDED(rv))
+            rv = inTransport->OpenInputStream(nsITransport::OPEN_BLOCKING,
+                                              segmentSize, segmentCount,
+                                              result);
+    }
+    return rv;
+}
+
+nsresult
+NS_BackgroundOutputStream(nsIOutputStream **result,
+                          nsIOutputStream  *stream,
+                          uint32_t          segmentSize  /* = 0 */,
+                          uint32_t          segmentCount /* = 0 */)
+{
+    nsresult rv;
+    nsCOMPtr<nsIStreamTransportService> sts =
+        do_GetService(NS_STREAMTRANSPORTSERVICE_CONTRACTID, &rv);
+    if (NS_SUCCEEDED(rv)) {
+        nsCOMPtr<nsITransport> inTransport;
+        rv = sts->CreateOutputTransport(stream, int64_t(-1), int64_t(-1),
+                                        true, getter_AddRefs(inTransport));
+        if (NS_SUCCEEDED(rv))
+            rv = inTransport->OpenOutputStream(nsITransport::OPEN_BLOCKING,
+                                               segmentSize, segmentCount,
+                                               result);
+    }
+    return rv;
+}
+
+nsresult
+NS_NewBufferedOutputStream(nsIOutputStream **result,
+                           nsIOutputStream  *str,
+                           uint32_t          bufferSize)
+{
+    nsresult rv;
+    nsCOMPtr<nsIBufferedOutputStream> out =
+        do_CreateInstance(NS_BUFFEREDOUTPUTSTREAM_CONTRACTID, &rv);
+    if (NS_SUCCEEDED(rv)) {
+        rv = out->Init(str, bufferSize);
+        if (NS_SUCCEEDED(rv)) {
+            out.forget(result);
+        }
+    }
+    return rv;
+}
+
+already_AddRefed<nsIOutputStream>
+NS_BufferOutputStream(nsIOutputStream *aOutputStream,
+                      uint32_t aBufferSize)
+{
+    NS_ASSERTION(aOutputStream, "No output stream given!");
+
+    nsCOMPtr<nsIOutputStream> bos;
+    nsresult rv = NS_NewBufferedOutputStream(getter_AddRefs(bos), aOutputStream,
+                                             aBufferSize);
+    if (NS_SUCCEEDED(rv))
+        return bos.forget();
+
+    bos = aOutputStream;
+    return bos.forget();
+}
+
+already_AddRefed<nsIInputStream>
+NS_BufferInputStream(nsIInputStream *aInputStream,
+                      uint32_t aBufferSize)
+{
+    NS_ASSERTION(aInputStream, "No input stream given!");
+
+    nsCOMPtr<nsIInputStream> bis;
+    nsresult rv = NS_NewBufferedInputStream(getter_AddRefs(bis), aInputStream,
+                                            aBufferSize);
+    if (NS_SUCCEEDED(rv))
+        return bis.forget();
+
+    bis = aInputStream;
+    return bis.forget();
+}
+
+nsresult
+NS_ReadInputStreamToBuffer(nsIInputStream *aInputStream,
+                           void **aDest,
+                           uint32_t aCount)
+{
+    nsresult rv;
+
+    if (!*aDest) {
+        *aDest = malloc(aCount);
+        if (!*aDest)
+            return NS_ERROR_OUT_OF_MEMORY;
+    }
+
+    char * p = reinterpret_cast<char*>(*aDest);
+    uint32_t bytesRead;
+    uint32_t totalRead = 0;
+    while (1) {
+        rv = aInputStream->Read(p + totalRead, aCount - totalRead, &bytesRead);
+        if (!NS_SUCCEEDED(rv))
+            return rv;
+        totalRead += bytesRead;
+        if (totalRead == aCount)
+            break;
+        // if Read reads 0 bytes, we've hit EOF
+        if (bytesRead == 0)
+            return NS_ERROR_UNEXPECTED;
+    }
+    return rv;
+}
+
+#ifdef MOZILLA_INTERNAL_API
+
+nsresult
+NS_ReadInputStreamToString(nsIInputStream *aInputStream,
+                           nsACString &aDest,
+                           uint32_t aCount)
+{
+    if (!aDest.SetLength(aCount, mozilla::fallible))
+        return NS_ERROR_OUT_OF_MEMORY;
+    void* dest = aDest.BeginWriting();
+    return NS_ReadInputStreamToBuffer(aInputStream, &dest, aCount);
+}
+
+#endif
+
+nsresult
+NS_LoadPersistentPropertiesFromURISpec(nsIPersistentProperties **outResult,
+                                       const nsACString         &aSpec)
+{
+    nsCOMPtr<nsIURI> uri;
+    nsresult rv = NS_NewURI(getter_AddRefs(uri), aSpec);
+    NS_ENSURE_SUCCESS(rv, rv);
+
+    nsCOMPtr<nsIChannel> channel;
+    rv = NS_NewChannel(getter_AddRefs(channel),
+                       uri,
+                       nsContentUtils::GetSystemPrincipal(),
+                       nsILoadInfo::SEC_ALLOW_CROSS_ORIGIN_DATA_IS_NULL,
+                       nsIContentPolicy::TYPE_OTHER);
+    NS_ENSURE_SUCCESS(rv, rv);
+    nsCOMPtr<nsIInputStream> in;
+    rv = channel->Open2(getter_AddRefs(in));
+    NS_ENSURE_SUCCESS(rv, rv);
+
+    nsCOMPtr<nsIPersistentProperties> properties =
+      do_CreateInstance(NS_PERSISTENTPROPERTIES_CONTRACTID, &rv);
+    NS_ENSURE_SUCCESS(rv, rv);
+    rv = properties->Load(in);
+    NS_ENSURE_SUCCESS(rv, rv);
+
+    properties.swap(*outResult);
+    return NS_OK;
+}
+
+bool
+NS_UsePrivateBrowsing(nsIChannel *channel)
+{
+    bool isPrivate = false;
+    nsCOMPtr<nsIPrivateBrowsingChannel> pbChannel = do_QueryInterface(channel);
+    if (pbChannel && NS_SUCCEEDED(pbChannel->GetIsChannelPrivate(&isPrivate))) {
+        return isPrivate;
+    }
+
+    // Some channels may not implement nsIPrivateBrowsingChannel
+    nsCOMPtr<nsILoadContext> loadContext;
+    NS_QueryNotificationCallbacks(channel, loadContext);
+    return loadContext && loadContext->UsePrivateBrowsing();
+}
+
+bool
+NS_GetOriginAttributes(nsIChannel *aChannel,
+                       mozilla::NeckoOriginAttributes &aAttributes)
+{
+    nsCOMPtr<nsILoadInfo> loadInfo = aChannel->GetLoadInfo();
+    if (!loadInfo) {
+        return false;
+    }
+
+    loadInfo->GetOriginAttributes(&aAttributes);
+    aAttributes.SyncAttributesWithPrivateBrowsing(NS_UsePrivateBrowsing(aChannel));
+    return true;
+}
+
+bool
+NS_GetAppInfo(nsIChannel *aChannel,
+              uint32_t *aAppID,
+              bool *aIsInIsolatedMozBrowserElement)
+{
+    NeckoOriginAttributes attrs;
+
+    if (!NS_GetOriginAttributes(aChannel, attrs)) {
+      return false;
+    }
+
+    *aAppID = attrs.mAppId;
+    *aIsInIsolatedMozBrowserElement = attrs.mInIsolatedMozBrowser;
+
+    return true;
+}
+
+bool
+NS_HasBeenCrossOrigin(nsIChannel* aChannel, bool aReport)
+{
+  nsCOMPtr<nsILoadInfo> loadInfo = aChannel->GetLoadInfo();
+  MOZ_RELEASE_ASSERT(loadInfo, "Origin tracking only works for channels created with a loadinfo");
+
+#ifdef DEBUG
+  // Don't enforce TYPE_DOCUMENT assertions for loads
+  // initiated by javascript tests.
+  bool skipContentTypeCheck = false;
+  skipContentTypeCheck = Preferences::GetBool("network.loadinfo.skip_type_assertion");
+#endif
+
+  MOZ_ASSERT(skipContentTypeCheck ||
+             loadInfo->GetExternalContentPolicyType() != nsIContentPolicy::TYPE_DOCUMENT,
+             "calling NS_HasBeenCrossOrigin on a top level load");
+
+  // Always treat tainted channels as cross-origin.
+  if (loadInfo->GetTainting() != LoadTainting::Basic) {
+    return true;
+  }
+
+  nsCOMPtr<nsIPrincipal> loadingPrincipal = loadInfo->LoadingPrincipal();
+  uint32_t mode = loadInfo->GetSecurityMode();
+  bool dataInherits =
+    mode == nsILoadInfo::SEC_REQUIRE_SAME_ORIGIN_DATA_INHERITS ||
+    mode == nsILoadInfo::SEC_ALLOW_CROSS_ORIGIN_DATA_INHERITS ||
+    mode == nsILoadInfo::SEC_REQUIRE_CORS_DATA_INHERITS;
+
+  bool aboutBlankInherits = dataInherits && loadInfo->GetAboutBlankInherits();
+
+  for (nsIPrincipal* principal : loadInfo->RedirectChain()) {
+    nsCOMPtr<nsIURI> uri;
+    principal->GetURI(getter_AddRefs(uri));
+    if (!uri) {
+      return true;
+    }
+
+    if (aboutBlankInherits && NS_IsAboutBlank(uri)) {
+      continue;
+    }
+
+    if (NS_FAILED(loadingPrincipal->CheckMayLoad(uri, aReport, dataInherits))) {
+      return true;
+    }
+  }
+
+  nsCOMPtr<nsIURI> uri;
+  NS_GetFinalChannelURI(aChannel, getter_AddRefs(uri));
+  if (!uri) {
+    return true;
+  }
+
+  if (aboutBlankInherits && NS_IsAboutBlank(uri)) {
+    return false;
+  }
+
+  return NS_FAILED(loadingPrincipal->CheckMayLoad(uri, aReport, dataInherits));
+}
+
+nsresult
+NS_GetAppInfoFromClearDataNotification(nsISupports *aSubject,
+                                       uint32_t *aAppID,
+                                       bool *aBrowserOnly)
+{
+    nsresult rv;
+
+    nsCOMPtr<mozIApplicationClearPrivateDataParams>
+        clearParams(do_QueryInterface(aSubject));
+    MOZ_ASSERT(clearParams);
+    if (!clearParams) {
+        return NS_ERROR_UNEXPECTED;
+    }
+
+    uint32_t appId;
+    rv = clearParams->GetAppId(&appId);
+    MOZ_ASSERT(NS_SUCCEEDED(rv));
+    MOZ_ASSERT(appId != NECKO_UNKNOWN_APP_ID);
+    NS_ENSURE_SUCCESS(rv, rv);
+    if (appId == NECKO_UNKNOWN_APP_ID) {
+        return NS_ERROR_UNEXPECTED;
+    }
+
+    bool browserOnly = false;
+    rv = clearParams->GetBrowserOnly(&browserOnly);
+    MOZ_ASSERT(NS_SUCCEEDED(rv));
+    NS_ENSURE_SUCCESS(rv, rv);
+
+    *aAppID = appId;
+    *aBrowserOnly = browserOnly;
+    return NS_OK;
+}
+
+bool
+NS_ShouldCheckAppCache(nsIURI *aURI, bool usePrivateBrowsing)
+{
+    if (usePrivateBrowsing) {
+        return false;
+    }
+
+    nsCOMPtr<nsIOfflineCacheUpdateService> offlineService =
+        do_GetService("@mozilla.org/offlinecacheupdate-service;1");
+    if (!offlineService) {
+        return false;
+    }
+
+    bool allowed;
+    nsresult rv = offlineService->OfflineAppAllowedForURI(aURI,
+                                                          nullptr,
+                                                          &allowed);
+    return NS_SUCCEEDED(rv) && allowed;
+}
+
+bool
+NS_ShouldCheckAppCache(nsIPrincipal *aPrincipal, bool usePrivateBrowsing)
+{
+    if (usePrivateBrowsing) {
+        return false;
+    }
+
+    nsCOMPtr<nsIOfflineCacheUpdateService> offlineService =
+        do_GetService("@mozilla.org/offlinecacheupdate-service;1");
+    if (!offlineService) {
+        return false;
+    }
+
+    bool allowed;
+    nsresult rv = offlineService->OfflineAppAllowed(aPrincipal,
+                                                    nullptr,
+                                                    &allowed);
+    return NS_SUCCEEDED(rv) && allowed;
+}
+
+void
+NS_WrapAuthPrompt(nsIAuthPrompt   *aAuthPrompt,
+                  nsIAuthPrompt2 **aAuthPrompt2)
+{
+    nsCOMPtr<nsIAuthPromptAdapterFactory> factory =
+        do_GetService(NS_AUTHPROMPT_ADAPTER_FACTORY_CONTRACTID);
+    if (!factory)
+        return;
+
+    NS_WARNING("Using deprecated nsIAuthPrompt");
+    factory->CreateAdapter(aAuthPrompt, aAuthPrompt2);
+}
+
+void
+NS_QueryAuthPrompt2(nsIInterfaceRequestor  *aCallbacks,
+                    nsIAuthPrompt2        **aAuthPrompt)
+{
+    CallGetInterface(aCallbacks, aAuthPrompt);
+    if (*aAuthPrompt)
+        return;
+
+    // Maybe only nsIAuthPrompt is provided and we have to wrap it.
+    nsCOMPtr<nsIAuthPrompt> prompt(do_GetInterface(aCallbacks));
+    if (!prompt)
+        return;
+
+    NS_WrapAuthPrompt(prompt, aAuthPrompt);
+}
+
+void
+NS_QueryAuthPrompt2(nsIChannel      *aChannel,
+                    nsIAuthPrompt2 **aAuthPrompt)
+{
+    *aAuthPrompt = nullptr;
+
+    // We want to use any auth prompt we can find on the channel's callbacks,
+    // and if that fails use the loadgroup's prompt (if any)
+    // Therefore, we can't just use NS_QueryNotificationCallbacks, because
+    // that would prefer a loadgroup's nsIAuthPrompt2 over a channel's
+    // nsIAuthPrompt.
+    nsCOMPtr<nsIInterfaceRequestor> callbacks;
+    aChannel->GetNotificationCallbacks(getter_AddRefs(callbacks));
+    if (callbacks) {
+        NS_QueryAuthPrompt2(callbacks, aAuthPrompt);
+        if (*aAuthPrompt)
+            return;
+    }
+
+    nsCOMPtr<nsILoadGroup> group;
+    aChannel->GetLoadGroup(getter_AddRefs(group));
+    if (!group)
+        return;
+
+    group->GetNotificationCallbacks(getter_AddRefs(callbacks));
+    if (!callbacks)
+        return;
+    NS_QueryAuthPrompt2(callbacks, aAuthPrompt);
+}
+
+nsresult
+NS_NewNotificationCallbacksAggregation(nsIInterfaceRequestor  *callbacks,
+                                       nsILoadGroup           *loadGroup,
+                                       nsIEventTarget         *target,
+                                       nsIInterfaceRequestor **result)
+{
+    nsCOMPtr<nsIInterfaceRequestor> cbs;
+    if (loadGroup)
+        loadGroup->GetNotificationCallbacks(getter_AddRefs(cbs));
+    return NS_NewInterfaceRequestorAggregation(callbacks, cbs, target, result);
+}
+
+nsresult
+NS_NewNotificationCallbacksAggregation(nsIInterfaceRequestor  *callbacks,
+                                       nsILoadGroup           *loadGroup,
+                                       nsIInterfaceRequestor **result)
+{
+    return NS_NewNotificationCallbacksAggregation(callbacks, loadGroup, nullptr, result);
+}
+
+nsresult
+NS_DoImplGetInnermostURI(nsINestedURI *nestedURI, nsIURI **result)
+{
+    NS_PRECONDITION(nestedURI, "Must have a nested URI!");
+    NS_PRECONDITION(!*result, "Must have null *result");
+
+    nsCOMPtr<nsIURI> inner;
+    nsresult rv = nestedURI->GetInnerURI(getter_AddRefs(inner));
+    NS_ENSURE_SUCCESS(rv, rv);
+
+    // We may need to loop here until we reach the innermost
+    // URI.
+    nsCOMPtr<nsINestedURI> nestedInner(do_QueryInterface(inner));
+    while (nestedInner) {
+        rv = nestedInner->GetInnerURI(getter_AddRefs(inner));
+        NS_ENSURE_SUCCESS(rv, rv);
+        nestedInner = do_QueryInterface(inner);
+    }
+
+    // Found the innermost one if we reach here.
+    inner.swap(*result);
+
+    return rv;
+}
+
+nsresult
+NS_ImplGetInnermostURI(nsINestedURI *nestedURI, nsIURI **result)
+{
+    // Make it safe to use swap()
+    *result = nullptr;
+
+    return NS_DoImplGetInnermostURI(nestedURI, result);
+}
+
+nsresult
+NS_EnsureSafeToReturn(nsIURI *uri, nsIURI **result)
+{
+    NS_PRECONDITION(uri, "Must have a URI");
+
+    // Assume mutable until told otherwise
+    bool isMutable = true;
+    nsCOMPtr<nsIMutable> mutableObj(do_QueryInterface(uri));
+    if (mutableObj) {
+        nsresult rv = mutableObj->GetMutable(&isMutable);
+        isMutable = NS_FAILED(rv) || isMutable;
+    }
+
+    if (!isMutable) {
+        NS_ADDREF(*result = uri);
+        return NS_OK;
+    }
+
+    nsresult rv = uri->Clone(result);
+    if (NS_SUCCEEDED(rv) && !*result) {
+        NS_ERROR("nsIURI.clone contract was violated");
+        return NS_ERROR_UNEXPECTED;
+    }
+
+    return rv;
+}
+
+void
+NS_TryToSetImmutable(nsIURI *uri)
+{
+    nsCOMPtr<nsIMutable> mutableObj(do_QueryInterface(uri));
+    if (mutableObj) {
+        mutableObj->SetMutable(false);
+    }
+}
+
+already_AddRefed<nsIURI>
+NS_TryToMakeImmutable(nsIURI *uri,
+                      nsresult *outRv /* = nullptr */)
+{
+    nsresult rv;
+    nsCOMPtr<nsINetUtil> util = do_GetNetUtil(&rv);
+
+    nsCOMPtr<nsIURI> result;
+    if (NS_SUCCEEDED(rv)) {
+        NS_ASSERTION(util, "do_GetNetUtil lied");
+        rv = util->ToImmutableURI(uri, getter_AddRefs(result));
+    }
+
+    if (NS_FAILED(rv)) {
+        result = uri;
+    }
+
+    if (outRv) {
+        *outRv = rv;
+    }
+
+    return result.forget();
+}
+
+already_AddRefed<nsIURI>
+NS_GetInnermostURI(nsIURI *aURI)
+{
+    NS_PRECONDITION(aURI, "Must have URI");
+
+    nsCOMPtr<nsIURI> uri = aURI;
+
+    nsCOMPtr<nsINestedURI> nestedURI(do_QueryInterface(uri));
+    if (!nestedURI) {
+        return uri.forget();
+    }
+
+    nsresult rv = nestedURI->GetInnermostURI(getter_AddRefs(uri));
+    if (NS_FAILED(rv)) {
+        return nullptr;
+    }
+
+    return uri.forget();
+}
+
+nsresult
+NS_GetFinalChannelURI(nsIChannel *channel, nsIURI **uri)
+{
+    *uri = nullptr;
+    nsLoadFlags loadFlags = 0;
+    nsresult rv = channel->GetLoadFlags(&loadFlags);
+    NS_ENSURE_SUCCESS(rv, rv);
+
+    if (loadFlags & nsIChannel::LOAD_REPLACE) {
+        return channel->GetURI(uri);
+    }
+
+    return channel->GetOriginalURI(uri);
+}
+
+uint32_t
+NS_SecurityHashURI(nsIURI *aURI)
+{
+    nsCOMPtr<nsIURI> baseURI = NS_GetInnermostURI(aURI);
+
+    nsAutoCString scheme;
+    uint32_t schemeHash = 0;
+    if (NS_SUCCEEDED(baseURI->GetScheme(scheme)))
+        schemeHash = mozilla::HashString(scheme);
+
+    // TODO figure out how to hash file:// URIs
+    if (scheme.EqualsLiteral("file"))
+        return schemeHash; // sad face
+
+    bool hasFlag;
+    if (NS_FAILED(NS_URIChainHasFlags(baseURI,
+        nsIProtocolHandler::ORIGIN_IS_FULL_SPEC, &hasFlag)) ||
+        hasFlag)
+    {
+        nsAutoCString spec;
+        uint32_t specHash;
+        nsresult res = baseURI->GetSpec(spec);
+        if (NS_SUCCEEDED(res))
+            specHash = mozilla::HashString(spec);
+        else
+            specHash = static_cast<uint32_t>(res);
+        return specHash;
+    }
+
+    nsAutoCString host;
+    uint32_t hostHash = 0;
+    if (NS_SUCCEEDED(baseURI->GetAsciiHost(host)))
+        hostHash = mozilla::HashString(host);
+
+    return mozilla::AddToHash(schemeHash, hostHash, NS_GetRealPort(baseURI));
+}
+
+bool
+NS_SecurityCompareURIs(nsIURI *aSourceURI,
+                       nsIURI *aTargetURI,
+                       bool    aStrictFileOriginPolicy)
+{
+    // Note that this is not an Equals() test on purpose -- for URIs that don't
+    // support host/port, we want equality to basically be object identity, for
+    // security purposes.  Otherwise, for example, two javascript: URIs that
+    // are otherwise unrelated could end up "same origin", which would be
+    // unfortunate.
+    if (aSourceURI && aSourceURI == aTargetURI)
+    {
+        return true;
+    }
+
+    if (!aTargetURI || !aSourceURI)
+    {
+        return false;
+    }
+
+    // If either URI is a nested URI, get the base URI
+    nsCOMPtr<nsIURI> sourceBaseURI = NS_GetInnermostURI(aSourceURI);
+    nsCOMPtr<nsIURI> targetBaseURI = NS_GetInnermostURI(aTargetURI);
+
+    // If either uri is an nsIURIWithPrincipal
+    nsCOMPtr<nsIURIWithPrincipal> uriPrinc = do_QueryInterface(sourceBaseURI);
+    if (uriPrinc) {
+        uriPrinc->GetPrincipalUri(getter_AddRefs(sourceBaseURI));
+    }
+
+    uriPrinc = do_QueryInterface(targetBaseURI);
+    if (uriPrinc) {
+        uriPrinc->GetPrincipalUri(getter_AddRefs(targetBaseURI));
+    }
+
+    if (!sourceBaseURI || !targetBaseURI)
+        return false;
+
+    // Compare schemes
+    nsAutoCString targetScheme;
+    bool sameScheme = false;
+    if (NS_FAILED( targetBaseURI->GetScheme(targetScheme) ) ||
+        NS_FAILED( sourceBaseURI->SchemeIs(targetScheme.get(), &sameScheme) ) ||
+        !sameScheme)
+    {
+        // Not same-origin if schemes differ
+        return false;
+    }
+
+    // For file scheme, reject unless the files are identical. See
+    // NS_RelaxStrictFileOriginPolicy for enforcing file same-origin checking
+    if (targetScheme.EqualsLiteral("file"))
+    {
+        // in traditional unsafe behavior all files are the same origin
+        if (!aStrictFileOriginPolicy)
+            return true;
+
+        nsCOMPtr<nsIFileURL> sourceFileURL(do_QueryInterface(sourceBaseURI));
+        nsCOMPtr<nsIFileURL> targetFileURL(do_QueryInterface(targetBaseURI));
+
+        if (!sourceFileURL || !targetFileURL)
+            return false;
+
+        nsCOMPtr<nsIFile> sourceFile, targetFile;
+
+        sourceFileURL->GetFile(getter_AddRefs(sourceFile));
+        targetFileURL->GetFile(getter_AddRefs(targetFile));
+
+        if (!sourceFile || !targetFile)
+            return false;
+
+        // Otherwise they had better match
+        bool filesAreEqual = false;
+        nsresult rv = sourceFile->Equals(targetFile, &filesAreEqual);
+        return NS_SUCCEEDED(rv) && filesAreEqual;
+    }
+
+    bool hasFlag;
+    if (NS_FAILED(NS_URIChainHasFlags(targetBaseURI,
+        nsIProtocolHandler::ORIGIN_IS_FULL_SPEC, &hasFlag)) ||
+        hasFlag)
+    {
+        // URIs with this flag have the whole spec as a distinct trust
+        // domain; use the whole spec for comparison
+        nsAutoCString targetSpec;
+        nsAutoCString sourceSpec;
+        return ( NS_SUCCEEDED( targetBaseURI->GetSpec(targetSpec) ) &&
+                 NS_SUCCEEDED( sourceBaseURI->GetSpec(sourceSpec) ) &&
+                 targetSpec.Equals(sourceSpec) );
+    }
+
+    // Compare hosts
+    nsAutoCString targetHost;
+    nsAutoCString sourceHost;
+    if (NS_FAILED( targetBaseURI->GetAsciiHost(targetHost) ) ||
+        NS_FAILED( sourceBaseURI->GetAsciiHost(sourceHost) ))
+    {
+        return false;
+    }
+
+    nsCOMPtr<nsIStandardURL> targetURL(do_QueryInterface(targetBaseURI));
+    nsCOMPtr<nsIStandardURL> sourceURL(do_QueryInterface(sourceBaseURI));
+    if (!targetURL || !sourceURL)
+    {
+        return false;
+    }
+
+#ifdef MOZILLA_INTERNAL_API
+    if (!targetHost.Equals(sourceHost, nsCaseInsensitiveCStringComparator() ))
+#else
+    if (!targetHost.Equals(sourceHost, CaseInsensitiveCompare))
+#endif
+    {
+        return false;
+    }
+
+    return NS_GetRealPort(targetBaseURI) == NS_GetRealPort(sourceBaseURI);
+}
+
+bool
+NS_URIIsLocalFile(nsIURI *aURI)
+{
+  nsCOMPtr<nsINetUtil> util = do_GetNetUtil();
+
+  bool isFile;
+  return util && NS_SUCCEEDED(util->ProtocolHasFlags(aURI,
+                                nsIProtocolHandler::URI_IS_LOCAL_FILE,
+                                &isFile)) &&
+         isFile;
+}
+
+bool
+NS_RelaxStrictFileOriginPolicy(nsIURI *aTargetURI,
+                               nsIURI *aSourceURI,
+                               bool aAllowDirectoryTarget /* = false */)
+{
+  if (!NS_URIIsLocalFile(aTargetURI)) {
+    // This is probably not what the caller intended
+    NS_NOTREACHED("NS_RelaxStrictFileOriginPolicy called with non-file URI");
+    return false;
+  }
+
+  if (!NS_URIIsLocalFile(aSourceURI)) {
+    // If the source is not also a file: uri then forget it
+    // (don't want resource: principals in a file: doc)
+    //
+    // note: we're not de-nesting jar: uris here, we want to
+    // keep archive content bottled up in its own little island
+    return false;
+  }
+
+  //
+  // pull out the internal files
+  //
+  nsCOMPtr<nsIFileURL> targetFileURL(do_QueryInterface(aTargetURI));
+  nsCOMPtr<nsIFileURL> sourceFileURL(do_QueryInterface(aSourceURI));
+  nsCOMPtr<nsIFile> targetFile;
+  nsCOMPtr<nsIFile> sourceFile;
+  bool targetIsDir;
+
+  // Make sure targetFile is not a directory (bug 209234)
+  // and that it exists w/out unescaping (bug 395343)
+  if (!sourceFileURL || !targetFileURL ||
+      NS_FAILED(targetFileURL->GetFile(getter_AddRefs(targetFile))) ||
+      NS_FAILED(sourceFileURL->GetFile(getter_AddRefs(sourceFile))) ||
+      !targetFile || !sourceFile ||
+      NS_FAILED(targetFile->Normalize()) ||
+#ifndef MOZ_WIDGET_ANDROID
+      NS_FAILED(sourceFile->Normalize()) ||
+#endif
+      (!aAllowDirectoryTarget &&
+       (NS_FAILED(targetFile->IsDirectory(&targetIsDir)) || targetIsDir))) {
+    return false;
+  }
+
+  //
+  // If the file to be loaded is in a subdirectory of the source
+  // (or same-dir if source is not a directory) then it will
+  // inherit its source principal and be scriptable by that source.
+  //
+  bool sourceIsDir;
+  bool allowed = false;
+  nsresult rv = sourceFile->IsDirectory(&sourceIsDir);
+  if (NS_SUCCEEDED(rv) && sourceIsDir) {
+    rv = sourceFile->Contains(targetFile, &allowed);
+  } else {
+    nsCOMPtr<nsIFile> sourceParent;
+    rv = sourceFile->GetParent(getter_AddRefs(sourceParent));
+    if (NS_SUCCEEDED(rv) && sourceParent) {
+      rv = sourceParent->Equals(targetFile, &allowed);
+      if (NS_FAILED(rv) || !allowed) {
+        rv = sourceParent->Contains(targetFile, &allowed);
+      } else {
+        MOZ_ASSERT(aAllowDirectoryTarget,
+                   "sourceFile->Parent == targetFile, but targetFile "
+                   "should've been disallowed if it is a directory");
+      }
+    }
+  }
+
+  if (NS_SUCCEEDED(rv) && allowed) {
+    return true;
+  }
+
+  return false;
+}
+
+bool
+NS_IsInternalSameURIRedirect(nsIChannel *aOldChannel,
+                             nsIChannel *aNewChannel,
+                             uint32_t aFlags)
+{
+  if (!(aFlags & nsIChannelEventSink::REDIRECT_INTERNAL)) {
+    return false;
+  }
+
+  nsCOMPtr<nsIURI> oldURI, newURI;
+  aOldChannel->GetURI(getter_AddRefs(oldURI));
+  aNewChannel->GetURI(getter_AddRefs(newURI));
+
+  if (!oldURI || !newURI) {
+    return false;
+  }
+
+  bool res;
+  return NS_SUCCEEDED(oldURI->Equals(newURI, &res)) && res;
+}
+
+bool
+NS_IsHSTSUpgradeRedirect(nsIChannel *aOldChannel,
+                         nsIChannel *aNewChannel,
+                         uint32_t aFlags)
+{
+  if (!(aFlags & nsIChannelEventSink::REDIRECT_STS_UPGRADE)) {
+    return false;
+  }
+
+  nsCOMPtr<nsIURI> oldURI, newURI;
+  aOldChannel->GetURI(getter_AddRefs(oldURI));
+  aNewChannel->GetURI(getter_AddRefs(newURI));
+
+  if (!oldURI || !newURI) {
+    return false;
+  }
+
+  bool isHttp;
+  if (NS_FAILED(oldURI->SchemeIs("http", &isHttp)) || !isHttp) {
+    return false;
+  }
+
+  nsCOMPtr<nsIURI> upgradedURI;
+  nsresult rv = NS_GetSecureUpgradedURI(oldURI, getter_AddRefs(upgradedURI));
+  if (NS_FAILED(rv)) {
+    return false;
+  }
+
+  bool res;
+  return NS_SUCCEEDED(upgradedURI->Equals(newURI, &res)) && res;
+}
+
+nsresult
+NS_LinkRedirectChannels(uint32_t channelId,
+                        nsIParentChannel *parentChannel,
+                        nsIChannel **_result)
+{
+  nsresult rv;
+
+  nsCOMPtr<nsIRedirectChannelRegistrar> registrar =
+      do_GetService("@mozilla.org/redirectchannelregistrar;1", &rv);
+  NS_ENSURE_SUCCESS(rv, rv);
+
+  return registrar->LinkChannels(channelId,
+                                 parentChannel,
+                                 _result);
+}
+
+#define NS_FAKE_SCHEME "http://"
+#define NS_FAKE_TLD ".invalid"
+nsresult NS_MakeRandomInvalidURLString(nsCString &result)
+{
+  nsresult rv;
+  nsCOMPtr<nsIUUIDGenerator> uuidgen =
+    do_GetService("@mozilla.org/uuid-generator;1", &rv);
+  NS_ENSURE_SUCCESS(rv, rv);
+
+  nsID idee;
+  rv = uuidgen->GenerateUUIDInPlace(&idee);
+  NS_ENSURE_SUCCESS(rv, rv);
+
+  char chars[NSID_LENGTH];
+  idee.ToProvidedString(chars);
+
+  result.AssignLiteral(NS_FAKE_SCHEME);
+  // Strip off the '{' and '}' at the beginning and end of the UUID
+  result.Append(chars + 1, NSID_LENGTH - 3);
+  result.AppendLiteral(NS_FAKE_TLD);
+
+  return NS_OK;
+}
+#undef NS_FAKE_SCHEME
+#undef NS_FAKE_TLD
+
+nsresult NS_MaybeOpenChannelUsingOpen2(nsIChannel* aChannel,
+                                       nsIInputStream **aStream)
+{
+  nsCOMPtr<nsILoadInfo> loadInfo = aChannel->GetLoadInfo();
+  if (loadInfo && loadInfo->GetSecurityMode() != 0) {
+    return aChannel->Open2(aStream);
+  }
+  return aChannel->Open(aStream);
+}
+
+nsresult NS_MaybeOpenChannelUsingAsyncOpen2(nsIChannel* aChannel,
+                                            nsIStreamListener *aListener)
+{
+  nsCOMPtr<nsILoadInfo> loadInfo = aChannel->GetLoadInfo();
+  if (loadInfo && loadInfo->GetSecurityMode() != 0) {
+    return aChannel->AsyncOpen2(aListener);
+  }
+  return aChannel->AsyncOpen(aListener, nullptr);
+}
+
+nsresult
+NS_CheckIsJavaCompatibleURLString(nsCString &urlString, bool *result)
+{
+  *result = false; // Default to "no"
+
+  nsresult rv = NS_OK;
+  nsCOMPtr<nsIURLParser> urlParser =
+    do_GetService(NS_STDURLPARSER_CONTRACTID, &rv);
+  if (NS_FAILED(rv) || !urlParser)
+    return NS_ERROR_FAILURE;
+
+  bool compatible = true;
+  uint32_t schemePos = 0;
+  int32_t schemeLen = 0;
+  urlParser->ParseURL(urlString.get(), -1, &schemePos, &schemeLen,
+                      nullptr, nullptr, nullptr, nullptr);
+  if (schemeLen != -1) {
+    nsCString scheme;
+    scheme.Assign(urlString.get() + schemePos, schemeLen);
+    // By default Java only understands a small number of URL schemes, and of
+    // these only some can legitimately represent a browser page's "origin"
+    // (and be something we can legitimately expect Java to handle ... or not
+    // to mishandle).
+    //
+    // Besides those listed below, the OJI plugin understands the "jar",
+    // "mailto", "netdoc", "javascript" and "rmi" schemes, and Java Plugin2
+    // also understands the "about" scheme.  We actually pass "about" URLs
+    // to Java ("about:blank" when processing a javascript: URL (one that
+    // calls Java) from the location bar of a blank page, and (in FF4 and up)
+    // "about:home" when processing a javascript: URL from the home page).
+    // And Java doesn't appear to mishandle them (for example it doesn't allow
+    // connections to "about" URLs).  But it doesn't make any sense to do
+    // same-origin checks on "about" URLs, so we don't include them in our
+    // scheme whitelist.
+    //
+    // The OJI plugin doesn't understand "chrome" URLs (only Java Plugin2
+    // does) -- so we mustn't pass them to the OJI plugin.  But we do need to
+    // pass "chrome" URLs to Java Plugin2:  Java Plugin2 grants additional
+    // privileges to chrome "origins", and some extensions take advantage of
+    // this.  For more information see bug 620773.
+    //
+    // As of FF4, we no longer support the OJI plugin.
+    if (PL_strcasecmp(scheme.get(), "http") &&
+        PL_strcasecmp(scheme.get(), "https") &&
+        PL_strcasecmp(scheme.get(), "file") &&
+        PL_strcasecmp(scheme.get(), "ftp") &&
+        PL_strcasecmp(scheme.get(), "gopher") &&
+        PL_strcasecmp(scheme.get(), "chrome"))
+      compatible = false;
+  } else {
+    compatible = false;
+  }
+
+  *result = compatible;
+
+  return NS_OK;
+}
+
+/** Given the first (disposition) token from a Content-Disposition header,
+ * tell whether it indicates the content is inline or attachment
+ * @param aDispToken the disposition token from the content-disposition header
+ */
+uint32_t
+NS_GetContentDispositionFromToken(const nsAString &aDispToken)
+{
+  // RFC 2183, section 2.8 says that an unknown disposition
+  // value should be treated as "attachment"
+  // If all of these tests eval to false, then we have a content-disposition of
+  // "attachment" or unknown
+  if (aDispToken.IsEmpty() ||
+      aDispToken.LowerCaseEqualsLiteral("inline") ||
+      // Broken sites just send
+      // Content-Disposition: filename="file"
+      // without a disposition token... screen those out.
+      StringHead(aDispToken, 8).LowerCaseEqualsLiteral("filename"))
+    return nsIChannel::DISPOSITION_INLINE;
+
+  return nsIChannel::DISPOSITION_ATTACHMENT;
+}
+
+uint32_t
+NS_GetContentDispositionFromHeader(const nsACString &aHeader,
+                                   nsIChannel *aChan /* = nullptr */)
+{
+  nsresult rv;
+  nsCOMPtr<nsIMIMEHeaderParam> mimehdrpar = do_GetService(NS_MIMEHEADERPARAM_CONTRACTID, &rv);
+  if (NS_FAILED(rv))
+    return nsIChannel::DISPOSITION_ATTACHMENT;
+
+  nsAutoCString fallbackCharset;
+  if (aChan) {
+    nsCOMPtr<nsIURI> uri;
+    aChan->GetURI(getter_AddRefs(uri));
+    if (uri)
+      uri->GetOriginCharset(fallbackCharset);
+  }
+
+  nsAutoString dispToken;
+  rv = mimehdrpar->GetParameterHTTP(aHeader, "", fallbackCharset, true, nullptr,
+                                    dispToken);
+
+  if (NS_FAILED(rv)) {
+    // special case (see bug 272541): empty disposition type handled as "inline"
+    if (rv == NS_ERROR_FIRST_HEADER_FIELD_COMPONENT_EMPTY)
+        return nsIChannel::DISPOSITION_INLINE;
+    return nsIChannel::DISPOSITION_ATTACHMENT;
+  }
+
+  return NS_GetContentDispositionFromToken(dispToken);
+}
+
+nsresult
+NS_GetFilenameFromDisposition(nsAString &aFilename,
+                              const nsACString &aDisposition,
+                              nsIURI *aURI /* = nullptr */)
+{
+  aFilename.Truncate();
+
+  nsresult rv;
+  nsCOMPtr<nsIMIMEHeaderParam> mimehdrpar =
+      do_GetService(NS_MIMEHEADERPARAM_CONTRACTID, &rv);
+  if (NS_FAILED(rv))
+    return rv;
+
+  nsCOMPtr<nsIURL> url = do_QueryInterface(aURI);
+
+  nsAutoCString fallbackCharset;
+  if (url)
+    url->GetOriginCharset(fallbackCharset);
+  // Get the value of 'filename' parameter
+  rv = mimehdrpar->GetParameterHTTP(aDisposition, "filename",
+                                    fallbackCharset, true, nullptr,
+                                    aFilename);
+
+  if (NS_FAILED(rv)) {
+    aFilename.Truncate();
+    return rv;
+  }
+
+  if (aFilename.IsEmpty())
+    return NS_ERROR_NOT_AVAILABLE;
+
+  return NS_OK;
+}
+
+void net_EnsurePSMInit()
+{
+    nsresult rv;
+    nsCOMPtr<nsISupports> psm = do_GetService(PSM_COMPONENT_CONTRACTID, &rv);
+    MOZ_ASSERT(NS_SUCCEEDED(rv));
+}
+
+bool NS_IsAboutBlank(nsIURI *uri)
+{
+    // GetSpec can be expensive for some URIs, so check the scheme first.
+    bool isAbout = false;
+    if (NS_FAILED(uri->SchemeIs("about", &isAbout)) || !isAbout) {
+        return false;
+    }
+
+    return uri->GetSpecOrDefault().EqualsLiteral("about:blank");
+}
+
+nsresult
+NS_GenerateHostPort(const nsCString& host, int32_t port,
+                    nsACString &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 == -1)
+            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;
+}
+
+void
+NS_SniffContent(const char *aSnifferType, nsIRequest *aRequest,
+                const uint8_t *aData, uint32_t aLength,
+                nsACString &aSniffedType)
+{
+  typedef nsCategoryCache<nsIContentSniffer> ContentSnifferCache;
+  extern ContentSnifferCache* gNetSniffers;
+  extern ContentSnifferCache* gDataSniffers;
+  ContentSnifferCache* cache = nullptr;
+  if (!strcmp(aSnifferType, NS_CONTENT_SNIFFER_CATEGORY)) {
+    if (!gNetSniffers) {
+      gNetSniffers = new ContentSnifferCache(NS_CONTENT_SNIFFER_CATEGORY);
+    }
+    cache = gNetSniffers;
+  } else if (!strcmp(aSnifferType, NS_DATA_SNIFFER_CATEGORY)) {
+    if (!gDataSniffers) {
+      gDataSniffers = new ContentSnifferCache(NS_DATA_SNIFFER_CATEGORY);
+    }
+    cache = gDataSniffers;
+  } else {
+    // Invalid content sniffer type was requested
+    MOZ_ASSERT(false);
+    return;
+  }
+
+  nsCOMArray<nsIContentSniffer> sniffers;
+  cache->GetEntries(sniffers);
+  for (int32_t i = 0; i < sniffers.Count(); ++i) {
+    nsresult rv = sniffers[i]->GetMIMETypeFromContent(aRequest, aData, aLength, aSniffedType);
+    if (NS_SUCCEEDED(rv) && !aSniffedType.IsEmpty()) {
+      return;
+    }
+  }
+
+  aSniffedType.Truncate();
+}
+
+bool
+NS_IsSrcdocChannel(nsIChannel *aChannel)
+{
+  bool isSrcdoc;
+  nsCOMPtr<nsIInputStreamChannel> isr = do_QueryInterface(aChannel);
+  if (isr) {
+    isr->GetIsSrcdocChannel(&isSrcdoc);
+    return isSrcdoc;
+  }
+  nsCOMPtr<nsIViewSourceChannel> vsc = do_QueryInterface(aChannel);
+  if (vsc) {
+    vsc->GetIsSrcdocChannel(&isSrcdoc);
+    return isSrcdoc;
+  }
+  return false;
+}
+
+nsresult
+NS_ShouldSecureUpgrade(nsIURI* aURI,
+                       nsILoadInfo* aLoadInfo,
+                       nsIPrincipal* aChannelResultPrincipal,
+                       bool aPrivateBrowsing,
+                       bool aAllowSTS,
+                       bool& aShouldUpgrade)
+{
+  // Even if we're in private browsing mode, we still enforce existing STS
+  // data (it is read-only).
+  // if the connection is not using SSL and either the exact host matches or
+  // a superdomain wants to force HTTPS, do it.
+  bool isHttps = false;
+  nsresult rv = aURI->SchemeIs("https", &isHttps);
+  NS_ENSURE_SUCCESS(rv, rv);
+
+  if (!isHttps) {
+    // If any of the documents up the chain to the root doucment makes use of
+    // the CSP directive 'upgrade-insecure-requests', then it's time to fulfill
+    // the promise to CSP and mixed content blocking to upgrade the channel
+    // from http to https.
+    if (aLoadInfo) {
+      // Please note that cross origin top level navigations are not subject
+      // to upgrade-insecure-requests, see:
+      // http://www.w3.org/TR/upgrade-insecure-requests/#examples
+      // Compare the principal we are navigating to (aChannelResultPrincipal)
+      // with the referring/triggering Principal.
+      bool crossOriginNavigation =
+        (aLoadInfo->GetExternalContentPolicyType() == nsIContentPolicy::TYPE_DOCUMENT) &&
+        (!aChannelResultPrincipal->Equals(aLoadInfo->TriggeringPrincipal()));
+
+      if (aLoadInfo->GetUpgradeInsecureRequests() && !crossOriginNavigation) {
+        // let's log a message to the console that we are upgrading a request
+        nsAutoCString scheme;
+        aURI->GetScheme(scheme);
+        // append the additional 's' for security to the scheme :-)
+        scheme.AppendASCII("s");
+        NS_ConvertUTF8toUTF16 reportSpec(aURI->GetSpecOrDefault());
+        NS_ConvertUTF8toUTF16 reportScheme(scheme);
+
+        const char16_t* params[] = { reportSpec.get(), reportScheme.get() };
+        uint32_t innerWindowId = aLoadInfo->GetInnerWindowID();
+        CSP_LogLocalizedStr(u"upgradeInsecureRequest",
+                            params, ArrayLength(params),
+                            EmptyString(), // aSourceFile
+                            EmptyString(), // aScriptSample
+                            0, // aLineNumber
+                            0, // aColumnNumber
+                            nsIScriptError::warningFlag, "CSP",
+                            innerWindowId);
+
+        Telemetry::Accumulate(Telemetry::HTTP_SCHEME_UPGRADE, 4);
+        aShouldUpgrade = true;
+        return NS_OK;
+      }
+    }
+
+    // enforce Strict-Transport-Security
+    nsISiteSecurityService* sss = gHttpHandler->GetSSService();
+    NS_ENSURE_TRUE(sss, NS_ERROR_OUT_OF_MEMORY);
+
+    bool isStsHost = false;
+    uint32_t flags = aPrivateBrowsing ? nsISocketProvider::NO_PERMANENT_STORAGE : 0;
+    rv = sss->IsSecureURI(nsISiteSecurityService::HEADER_HSTS, aURI, flags,
+                          nullptr, &isStsHost);
+
+    // if the SSS check fails, it's likely because this load is on a
+    // malformed URI or something else in the setup is wrong, so any error
+    // should be reported.
+    NS_ENSURE_SUCCESS(rv, rv);
+
+    if (isStsHost) {
+      LOG(("nsHttpChannel::Connect() STS permissions found\n"));
+      if (aAllowSTS) {
+        Telemetry::Accumulate(Telemetry::HTTP_SCHEME_UPGRADE, 3);
+        aShouldUpgrade = true;
+        return NS_OK;
+      } else {
+        Telemetry::Accumulate(Telemetry::HTTP_SCHEME_UPGRADE, 2);
+      }
+    } else {
+      Telemetry::Accumulate(Telemetry::HTTP_SCHEME_UPGRADE, 1);
+    }
+  } else {
+    Telemetry::Accumulate(Telemetry::HTTP_SCHEME_UPGRADE, 0);
+  }
+  aShouldUpgrade = false;
+  return NS_OK;
+}
+
+nsresult
+NS_GetSecureUpgradedURI(nsIURI* aURI, nsIURI** aUpgradedURI)
+{
+  nsCOMPtr<nsIURI> upgradedURI;
+
+  nsresult rv = aURI->Clone(getter_AddRefs(upgradedURI));
+  NS_ENSURE_SUCCESS(rv,rv);
+
+  // Change the scheme to HTTPS:
+  upgradedURI->SetScheme(NS_LITERAL_CSTRING("https"));
+
+  // Change the default port to 443:
+  nsCOMPtr<nsIStandardURL> upgradedStandardURL = do_QueryInterface(upgradedURI);
+  if (upgradedStandardURL) {
+    upgradedStandardURL->SetDefaultPort(443);
+  } else {
+    // If we don't have a nsStandardURL, fall back to using GetPort/SetPort.
+    // XXXdholbert Is this function even called with a non-nsStandardURL arg,
+    // in practice?
+    int32_t oldPort = -1;
+    rv = aURI->GetPort(&oldPort);
+    if (NS_FAILED(rv)) return rv;
+
+    // Keep any nonstandard ports so only the scheme is changed.
+    // For example:
+    //  http://foo.com:80 -> https://foo.com:443
+    //  http://foo.com:81 -> https://foo.com:81
+
+    if (oldPort == 80 || oldPort == -1) {
+        upgradedURI->SetPort(-1);
+    } else {
+        upgradedURI->SetPort(oldPort);
+    }
+  }
+
+  upgradedURI.forget(aUpgradedURI);
+  return NS_OK;
+}
+
+nsresult
+NS_CompareLoadInfoAndLoadContext(nsIChannel *aChannel)
+{
+  nsCOMPtr<nsILoadInfo> loadInfo;
+  aChannel->GetLoadInfo(getter_AddRefs(loadInfo));
+
+  nsCOMPtr<nsILoadContext> loadContext;
+  NS_QueryNotificationCallbacks(aChannel, loadContext);
+  if (!loadInfo || !loadContext) {
+    return NS_OK;
+  }
+
+  // We try to skip about:newtab and about:sync-tabs.
+  // about:newtab will use SystemPrincipal to download thumbnails through
+  // https:// and blob URLs.
+  // about:sync-tabs will fetch icons through moz-icon://.
+  bool isAboutPage = false;
+  nsINode* node = loadInfo->LoadingNode();
+  if (node) {
+    nsIDocument* doc = node->OwnerDoc();
+    if (doc) {
+      nsIURI* uri = doc->GetDocumentURI();
+      nsresult rv = uri->SchemeIs("about", &isAboutPage);
+      NS_ENSURE_SUCCESS(rv, rv);
+    }
+  }
+
+  if (isAboutPage) {
+    return NS_OK;
+  }
+
+  // We skip the favicon loading here. The favicon loading might be
+  // triggered by the XUL image. For that case, the loadContext will have
+  // default originAttributes since the XUL image uses SystemPrincipal, but
+  // the loadInfo will use originAttributes from the content. Thus, the
+  // originAttributes between loadInfo and loadContext will be different.
+  // That's why we have to skip the comparison for the favicon loading.
+  if (nsContentUtils::IsSystemPrincipal(loadInfo->LoadingPrincipal()) &&
+      loadInfo->InternalContentPolicyType() ==
+        nsIContentPolicy::TYPE_INTERNAL_IMAGE_FAVICON) {
+    return NS_OK;
+  }
+
+  uint32_t loadContextAppId = 0;
+  nsresult rv = loadContext->GetAppId(&loadContextAppId);
+  if (NS_FAILED(rv)) {
+    return NS_ERROR_UNEXPECTED;
+  }
+
+  bool loadContextIsInBE = false;
+  rv = loadContext->GetIsInIsolatedMozBrowserElement(&loadContextIsInBE);
+  if (NS_FAILED(rv)) {
+    return NS_ERROR_UNEXPECTED;
+  }
+
+  OriginAttributes originAttrsLoadInfo = loadInfo->GetOriginAttributes();
+  DocShellOriginAttributes originAttrsLoadContext;
+  loadContext->GetOriginAttributes(originAttrsLoadContext);
+
+  LOG(("NS_CompareLoadInfoAndLoadContext - loadInfo: %d, %d, %d, %d; "
+       "loadContext: %d %d, %d, %d. [channel=%p]",
+       originAttrsLoadInfo.mAppId, originAttrsLoadInfo.mInIsolatedMozBrowser,
+       originAttrsLoadInfo.mUserContextId, originAttrsLoadInfo.mPrivateBrowsingId,
+       loadContextAppId, loadContextIsInBE,
+       originAttrsLoadContext.mUserContextId, originAttrsLoadContext.mPrivateBrowsingId,
+       aChannel));
+
+  MOZ_ASSERT(originAttrsLoadInfo.mAppId == loadContextAppId,
+             "AppId in the loadContext and in the loadInfo are not the "
+             "same!");
+
+  MOZ_ASSERT(originAttrsLoadInfo.mInIsolatedMozBrowser ==
+             loadContextIsInBE,
+             "The value of InIsolatedMozBrowser in the loadContext and in "
+             "the loadInfo are not the same!");
+
+  MOZ_ASSERT(originAttrsLoadInfo.mUserContextId ==
+             originAttrsLoadContext.mUserContextId,
+             "The value of mUserContextId in the loadContext and in the "
+             "loadInfo are not the same!");
+
+  MOZ_ASSERT(originAttrsLoadInfo.mPrivateBrowsingId ==
+             originAttrsLoadContext.mPrivateBrowsingId,
+             "The value of mPrivateBrowsingId in the loadContext and in the "
+             "loadInfo are not the same!");
+
+  return NS_OK;
+}
+
+namespace mozilla {
+namespace net {
+
+bool
+InScriptableRange(int64_t val)
+{
+    return (val <= kJS_MAX_SAFE_INTEGER) && (val >= kJS_MIN_SAFE_INTEGER);
+}
+
+bool
+InScriptableRange(uint64_t val)
+{
+    return val <= kJS_MAX_SAFE_UINTEGER;
+}
+
+} // namespace net
+} // namespace mozilla