1 files changed, 104 insertions, 0 deletions
diff --git a/netwerk/protocol/viewsource/nsViewSourceChannel.h b/netwerk/protocol/viewsource/nsViewSourceChannel.h
new file mode 100644
index 0000000000..66704d1fa8
--- /dev/null
+++ b/netwerk/protocol/viewsource/nsViewSourceChannel.h
@@ -0,0 +1,104 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* 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/. */
+
+#ifndef nsViewSourceChannel_h___
+#define nsViewSourceChannel_h___
+
+#include "mozilla/Attributes.h"
+#include "mozilla/net/NeckoChannelParams.h"
+#include "nsCOMPtr.h"
+#include "nsIApplicationCacheChannel.h"
+#include "nsICachingChannel.h"
+#include "nsIChannelEventSink.h"
+#include "nsIFormPOSTActionChannel.h"
+#include "nsIHttpChannel.h"
+#include "nsIHttpChannelInternal.h"
+#include "nsIInterfaceRequestor.h"
+#include "nsIStreamListener.h"
+#include "nsIURI.h"
+#include "nsIViewSourceChannel.h"
+#include "nsIChildChannel.h"
+#include "nsString.h"
+
+class nsViewSourceChannel final : public nsIViewSourceChannel,
+                                  public nsIStreamListener,
+                                  public nsIHttpChannel,
+                                  public nsIHttpChannelInternal,
+                                  public nsICachingChannel,
+                                  public nsIApplicationCacheChannel,
+                                  public nsIFormPOSTActionChannel,
+                                  public nsIChildChannel,
+                                  public nsIInterfaceRequestor,
+                                  public nsIChannelEventSink {
+ public:
+  NS_DECL_ISUPPORTS
+  NS_DECL_NSIREQUEST
+  NS_DECL_NSICHANNEL
+  NS_DECL_NSIIDENTCHANNEL
+  NS_DECL_NSIVIEWSOURCECHANNEL
+  NS_DECL_NSISTREAMLISTENER
+  NS_DECL_NSIREQUESTOBSERVER
+  NS_DECL_NSIHTTPCHANNEL
+  NS_DECL_NSICHILDCHANNEL
+  NS_DECL_NSIINTERFACEREQUESTOR
+  NS_DECL_NSICHANNELEVENTSINK
+  NS_FORWARD_SAFE_NSICACHEINFOCHANNEL(mCacheInfoChannel)
+  NS_FORWARD_SAFE_NSICACHINGCHANNEL(mCachingChannel)
+  NS_FORWARD_SAFE_NSIAPPLICATIONCACHECHANNEL(mApplicationCacheChannel)
+  NS_FORWARD_SAFE_NSIAPPLICATIONCACHECONTAINER(mApplicationCacheChannel)
+  NS_FORWARD_SAFE_NSIUPLOADCHANNEL(mUploadChannel)
+  NS_FORWARD_SAFE_NSIFORMPOSTACTIONCHANNEL(mPostChannel)
+  NS_FORWARD_SAFE_NSIHTTPCHANNELINTERNAL(mHttpChannelInternal)
+
+  // nsViewSourceChannel methods:
+  nsViewSourceChannel()
+      : mIsDocument(false), mOpened(false), mIsSrcdocChannel(false) {}
+
+  [[nodiscard]] nsresult Init(nsIURI* uri, nsILoadInfo* aLoadInfo);
+
+  [[nodiscard]] nsresult InitSrcdoc(nsIURI* aURI, nsIURI* aBaseURI,
+                                    const nsAString& aSrcdoc,
+                                    nsILoadInfo* aLoadInfo);
+
+  // Updates or sets the result principal URI of the underlying channel's
+  // loadinfo to be prefixed with the "view-source:" schema as:
+  //
+  // mChannel.loadInfo.resultPrincipalURI = "view-source:" +
+  //    (mChannel.loadInfo.resultPrincipalURI | mChannel.orignalURI);
+  nsresult UpdateLoadInfoResultPrincipalURI();
+
+ protected:
+  ~nsViewSourceChannel() = default;
+  void ReleaseListeners();
+
+  nsTArray<mozilla::net::PreferredAlternativeDataTypeParams> mEmptyArray;
+
+  // Clones aURI and prefixes it with "view-source:" schema,
+  nsresult BuildViewSourceURI(nsIURI* aURI, nsIURI** aResult);
+
+  // Called to update the forwarding channel members after the `mChannel` field
+  // has been changed to reflect the new inner channel.
+  void UpdateChannelInterfaces();
+
+  nsCOMPtr<nsIInterfaceRequestor> mCallbacks;
+  nsCOMPtr<nsIChannel> mChannel;
+  nsCOMPtr<nsIHttpChannel> mHttpChannel;
+  nsCOMPtr<nsIHttpChannelInternal> mHttpChannelInternal;
+  nsCOMPtr<nsICachingChannel> mCachingChannel;
+  nsCOMPtr<nsICacheInfoChannel> mCacheInfoChannel;
+  nsCOMPtr<nsIApplicationCacheChannel> mApplicationCacheChannel;
+  nsCOMPtr<nsIUploadChannel> mUploadChannel;
+  nsCOMPtr<nsIFormPOSTActionChannel> mPostChannel;
+  nsCOMPtr<nsIChildChannel> mChildChannel;
+  nsCOMPtr<nsIStreamListener> mListener;
+  nsCOMPtr<nsIURI> mOriginalURI;
+  nsCOMPtr<nsIURI> mBaseURI;
+  nsCString mContentType;
+  bool mIsDocument;  // keeps track of the LOAD_DOCUMENT_URI flag
+  bool mOpened;
+  bool mIsSrcdocChannel;
+};
+
+#endif /* nsViewSourceChannel_h___ */