tor-browser

The Tor Browser
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GeckoViewContentChannelParent.cpp (6584B)


      1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
      2 /* vim: set ts=4 sw=2 sts=2 et tw=80: */
      3 /* This Source Code Form is subject to the terms of the Mozilla Public
      4 * License, v. 2.0. If a copy of the MPL was not distributed with this
      5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
      6 
      7 #include "GeckoViewContentChannelParent.h"
      8 
      9 #include "GeckoViewContentChannel.h"
     10 #include "mozilla/dom/ContentParent.h"
     11 #include "mozilla/ipc/URIUtils.h"
     12 #include "mozilla/net/NeckoParent.h"
     13 #include "mozilla/NotNull.h"
     14 #include "nsIAuthPromptProvider.h"
     15 #include "nsISecureBrowserUI.h"
     16 
     17 namespace mozilla::net {
     18 
     19 NS_IMPL_ISUPPORTS(GeckoViewContentChannelParent, nsIParentChannel,
     20                  nsIStreamListener, nsIInterfaceRequestor)
     21 
     22 GeckoViewContentChannelParent::GeckoViewContentChannelParent(
     23    dom::BrowserParent* aIframeEmbedding, nsILoadContext* aLoadContext)
     24    : mLoadContext(aLoadContext), mBrowserParent(aIframeEmbedding) {}
     25 
     26 NS_IMETHODIMP
     27 GeckoViewContentChannelParent::SetParentListener(
     28    ParentChannelListener* aListener) {
     29  // Nothing to do.
     30  return NS_OK;
     31 }
     32 
     33 NS_IMETHODIMP
     34 GeckoViewContentChannelParent::NotifyClassificationFlags(
     35    uint32_t aClassificationFlags, bool aIsThirdParty) {
     36  // Nothing to do.
     37  return NS_OK;
     38 }
     39 
     40 NS_IMETHODIMP
     41 GeckoViewContentChannelParent::SetClassifierMatchedInfo(
     42    const nsACString& aList, const nsACString& aProvider,
     43    const nsACString& aFullHash) {
     44  // nothing to do
     45  return NS_OK;
     46 }
     47 
     48 NS_IMETHODIMP
     49 GeckoViewContentChannelParent::SetClassifierMatchedTrackingInfo(
     50    const nsACString& aLists, const nsACString& aFullHashes) {
     51  // nothing to do
     52  return NS_OK;
     53 }
     54 
     55 NS_IMETHODIMP
     56 GeckoViewContentChannelParent::Delete() {
     57  if (!CanSend()) {
     58    return NS_ERROR_UNEXPECTED;
     59  }
     60  (void)SendDeleteSelf();
     61  return NS_OK;
     62 }
     63 
     64 NS_IMETHODIMP
     65 GeckoViewContentChannelParent::GetRemoteType(nsACString& aRemoteType) {
     66  if (!CanSend()) {
     67    return NS_ERROR_UNEXPECTED;
     68  }
     69 
     70  dom::PContentParent* pcp = Manager()->Manager();
     71  aRemoteType = static_cast<dom::ContentParent*>(pcp)->GetRemoteType();
     72  return NS_OK;
     73 }
     74 
     75 NS_IMETHODIMP
     76 GeckoViewContentChannelParent::OnStartRequest(nsIRequest* aRequest) {
     77  if (!CanSend()) {
     78    return NS_ERROR_UNEXPECTED;
     79  }
     80  nsCOMPtr<nsIChannel> channel = do_QueryInterface(aRequest);
     81 
     82  nsCString contentType;
     83  channel->GetContentType(contentType);
     84 
     85  nsresult channelStatus = NS_OK;
     86  channel->GetStatus(&channelStatus);
     87 
     88  nsCString entityID;
     89 
     90  nsCOMPtr<nsIURI> uri;
     91  channel->GetURI(getter_AddRefs(uri));
     92  if (MOZ_UNLIKELY(!uri)) {
     93    return NS_ERROR_UNEXPECTED;
     94  }
     95 
     96  (void)SendOnStartRequest(channelStatus, contentType, entityID,
     97                           WrapNotNull(uri));
     98 
     99  return NS_OK;
    100 }
    101 
    102 NS_IMETHODIMP
    103 GeckoViewContentChannelParent::OnStopRequest(nsIRequest* aRequest,
    104                                             nsresult aStatusCode) {
    105  if (!CanSend() || !SendOnStopRequest(aStatusCode)) {
    106    return NS_ERROR_UNEXPECTED;
    107  }
    108  return NS_OK;
    109 }
    110 
    111 NS_IMETHODIMP
    112 GeckoViewContentChannelParent::OnDataAvailable(nsIRequest* aRequest,
    113                                               nsIInputStream* aInputStream,
    114                                               uint64_t aOffset,
    115                                               uint32_t aCount) {
    116  if (!CanSend()) {
    117    return NS_ERROR_UNEXPECTED;
    118  }
    119  nsCString data;
    120  nsresult rv = NS_ReadInputStreamToString(aInputStream, data, aCount);
    121  if (MOZ_UNLIKELY(NS_FAILED(rv))) {
    122    return rv;
    123  }
    124 
    125  nsresult channelStatus = NS_OK;
    126  mChannel->GetStatus(&channelStatus);
    127 
    128  (void)SendOnDataAvailable(channelStatus, data, aOffset, aCount);
    129 
    130  return NS_OK;
    131 }
    132 
    133 NS_IMETHODIMP
    134 GeckoViewContentChannelParent::GetInterface(const nsIID& uuid, void** result) {
    135  if (uuid.Equals(NS_GET_IID(nsIAuthPromptProvider)) ||
    136      uuid.Equals(NS_GET_IID(nsISecureBrowserUI))) {
    137    if (mBrowserParent) {
    138      return mBrowserParent->QueryInterface(uuid, result);
    139    }
    140  }
    141 
    142  // Only support nsILoadContext if child channel's callbacks did too
    143  if (uuid.Equals(NS_GET_IID(nsILoadContext)) && mLoadContext) {
    144    nsCOMPtr<nsILoadContext> copy = mLoadContext;
    145    copy.forget(result);
    146    return NS_OK;
    147  }
    148 
    149  return QueryInterface(uuid, result);
    150 }
    151 
    152 bool GeckoViewContentChannelParent::Init(
    153    const GeckoViewContentChannelOpenArgs& aArgs) {
    154  nsresult rv = NS_OK;
    155 
    156  auto scopeExit = MakeScopeExit([&rv, this] {
    157    if (NS_FAILED(rv)) {
    158      (void)SendOnAsyncOpenFailed(rv);
    159    }
    160  });
    161 
    162  nsCOMPtr<nsIURI> uri = ipc::DeserializeURI(aArgs.uri());
    163 
    164  nsAutoCString remoteType;
    165  rv = GetRemoteType(remoteType);
    166  if (MOZ_UNLIKELY(NS_FAILED(rv))) {
    167    return false;
    168  }
    169 
    170  nsCOMPtr<nsILoadInfo> loadInfo;
    171  rv = mozilla::ipc::LoadInfoArgsToLoadInfo(aArgs.loadInfo(), remoteType,
    172                                            getter_AddRefs(loadInfo));
    173  if (MOZ_UNLIKELY(NS_FAILED(rv))) {
    174    return false;
    175  }
    176 
    177  nsCOMPtr<nsIIOService> ios(do_GetIOService(&rv));
    178  if (MOZ_UNLIKELY(NS_FAILED(rv))) {
    179    return false;
    180  }
    181 
    182  nsCOMPtr<nsIChannel> channel;
    183  rv = NS_NewChannelInternal(getter_AddRefs(channel), uri, loadInfo, nullptr,
    184                             nullptr, nullptr, aArgs.loadFlags(), ios);
    185  if (MOZ_UNLIKELY(NS_FAILED(rv))) {
    186    return false;
    187  }
    188 
    189  rv = channel->AsyncOpen(this);
    190  if (MOZ_UNLIKELY(NS_FAILED(rv))) {
    191    return false;
    192  }
    193 
    194  mChannel = channel;
    195 
    196  return true;
    197 }
    198 
    199 bool GeckoViewContentChannelParent::Init(
    200    const GeckoViewContentChannelConnectArgs& aArgs) {
    201  nsCOMPtr<nsIChannel> channel;
    202  nsresult rv =
    203      NS_LinkRedirectChannels(aArgs.channelId(), this, getter_AddRefs(channel));
    204  if (NS_SUCCEEDED(rv)) {
    205    mChannel = channel;
    206  }
    207  return true;
    208 }
    209 
    210 bool GeckoViewContentChannelParent::Init(
    211    const GeckoViewContentChannelArgs& aArgs) {
    212  switch (aArgs.type()) {
    213    case GeckoViewContentChannelArgs::TGeckoViewContentChannelOpenArgs:
    214      return Init(aArgs.get_GeckoViewContentChannelOpenArgs());
    215    case GeckoViewContentChannelArgs::TGeckoViewContentChannelConnectArgs:
    216      return Init(aArgs.get_GeckoViewContentChannelConnectArgs());
    217    default:
    218      return false;
    219  }
    220 }
    221 
    222 mozilla::ipc::IPCResult GeckoViewContentChannelParent::RecvCancel(
    223    const nsresult& status) {
    224  if (mChannel) {
    225    mChannel->Cancel(status);
    226  }
    227  return IPC_OK();
    228 }
    229 
    230 mozilla::ipc::IPCResult GeckoViewContentChannelParent::RecvSuspend() {
    231  if (mChannel) {
    232    mChannel->Suspend();
    233  }
    234  return IPC_OK();
    235 }
    236 
    237 mozilla::ipc::IPCResult GeckoViewContentChannelParent::RecvResume() {
    238  if (mChannel) {
    239    mChannel->Resume();
    240  }
    241  return IPC_OK();
    242 }
    243 
    244 }  // namespace mozilla::net