Bug 1182569: Use AsyncOpen2 for docshell loads

native in moebius

3 files changed, 21 insertions, 53 deletions

diff --git a/docshell/base/nsDocShell.cpp b/docshell/base/nsDocShell.cpp
index b1fcc5c23a..6810d01792 100644
--- a/docshell/base/nsDocShell.cpp
+++ b/docshell/base/nsDocShell.cpp
@@ -69,7 +69,6 @@
 #include "nsIScriptSecurityManager.h"
 #include "nsIScriptObjectPrincipal.h"
 #include "nsIScrollableFrame.h"
-#include "nsContentPolicyUtils.h" // NS_CheckContentLoadPolicy(...)
 #include "nsISeekableStream.h"
 #include "nsAutoPtr.h"
 #include "nsQueryObject.h"
@@ -1644,7 +1643,7 @@ nsDocShell::LoadStream(nsIInputStream* aStream, nsIURI* aURI,
                                          uri,
                                          aStream,
                                          triggeringPrincipal,
-                                         nsILoadInfo::SEC_NORMAL,
+                                         nsILoadInfo::SEC_ALLOW_CROSS_ORIGIN_DATA_IS_NULL,
                                          nsIContentPolicy::TYPE_OTHER,
                                          aContentType,
                                          aContentCharset);
@@ -9943,23 +9942,6 @@ nsDocShell::InternalLoad(nsIURI* aURI,
     rv = extraStr->SetData(msg);
     NS_ENSURE_SUCCESS(rv, rv);
 
-    int16_t shouldLoad = nsIContentPolicy::ACCEPT;
-    rv = NS_CheckContentLoadPolicy(contentType,
-                                   aURI,
-                                   aTriggeringPrincipal,
-                                   requestingContext,
-                                   EmptyCString(),  // mime guess
-                                   extraStr,  // extra
-                                   &shouldLoad);
-
-    if (NS_FAILED(rv) || NS_CP_REJECTED(shouldLoad)) {
-      if (NS_SUCCEEDED(rv) && shouldLoad == nsIContentPolicy::REJECT_TYPE) {
-        return NS_ERROR_CONTENT_BLOCKED_SHOW_ALT;
-      }
-
-      return NS_ERROR_CONTENT_BLOCKED;
-    }
-
     // If HSTS priming was set by nsMixedContentBlocker::ShouldLoad, and we
     // would block due to mixed content, go ahead and block here. If we try to
     // proceed with priming, we will error out later on.
@@ -10949,7 +10931,8 @@ nsDocShell::DoURILoad(nsIURI* aURI,
   }
 
   nsLoadFlags loadFlags = mDefaultLoadFlags;
-  nsSecurityFlags securityFlags = nsILoadInfo::SEC_NORMAL;
+  nsSecurityFlags securityFlags =
+    nsILoadInfo::SEC_ALLOW_CROSS_ORIGIN_DATA_IS_NULL;
 
   if (aFirstParty) {
     // tag first party URL loads
diff --git a/dom/jsurl/nsJSProtocolHandler.cpp b/dom/jsurl/nsJSProtocolHandler.cpp
index cdb63f890a..90171db102 100644
--- a/dom/jsurl/nsJSProtocolHandler.cpp
+++ b/dom/jsurl/nsJSProtocolHandler.cpp
@@ -36,7 +36,6 @@
 #include "nsIContentViewer.h"
 #include "nsIXPConnect.h"
 #include "nsContentUtils.h"
-#include "nsNullPrincipal.h"
 #include "nsJSUtils.h"
 #include "nsThreadUtils.h"
 #include "nsIScriptChannel.h"
@@ -336,7 +335,7 @@ public:
     NS_FORWARD_SAFE_NSIPROPERTYBAG(mPropertyBag)
     NS_FORWARD_SAFE_NSIPROPERTYBAG2(mPropertyBag)
 
-    nsresult Init(nsIURI *aURI);
+    nsresult Init(nsIURI *aURI, nsILoadInfo* aLoadInfo);
 
     // Actually evaluate the script.
     void EvaluateScript();
@@ -354,17 +353,16 @@ protected:
     nsCOMPtr<nsIChannel>    mStreamChannel;
     nsCOMPtr<nsIPropertyBag2> mPropertyBag;
     nsCOMPtr<nsIStreamListener> mListener;  // Our final listener
-    nsCOMPtr<nsISupports> mContext; // The context passed to AsyncOpen
     nsCOMPtr<nsPIDOMWindowInner> mOriginalInnerWindow;  // The inner window our load
                                                         // started against.
-    // If we blocked onload on a document in AsyncOpen, this is the document we
+    // If we blocked onload on a document in AsyncOpen2, this is the document we
     // did it on.
     nsCOMPtr<nsIDocument>   mDocumentOnloadBlockedOn;
 
     nsresult mStatus; // Our status
 
     nsLoadFlags             mLoadFlags;
-    nsLoadFlags             mActualLoadFlags; // See AsyncOpen
+    nsLoadFlags             mActualLoadFlags; // See AsyncOpen2
 
     RefPtr<nsJSThunk>     mIOThunk;
     PopupControlState       mPopupState;
@@ -404,7 +402,7 @@ nsresult nsJSChannel::StopAll()
     return rv;
 }
 
-nsresult nsJSChannel::Init(nsIURI *aURI)
+nsresult nsJSChannel::Init(nsIURI* aURI, nsILoadInfo* aLoadInfo)
 {
     RefPtr<nsJSURI> jsURI;
     nsresult rv = aURI->QueryInterface(kJSURICID,
@@ -418,21 +416,13 @@ nsresult nsJSChannel::Init(nsIURI *aURI)
     // Remember, until AsyncOpen is called, the script will not be evaluated
     // and the underlying Input Stream will not be created...
     nsCOMPtr<nsIChannel> channel;
-
-    nsCOMPtr<nsIPrincipal> nullPrincipal = nsNullPrincipal::Create();
-
-    // If the resultant script evaluation actually does return a value, we
-    // treat it as html.
-    // The following channel is never openend, so it does not matter what
-    // securityFlags we pass; let's follow the principle of least privilege.
-    rv = NS_NewInputStreamChannel(getter_AddRefs(channel),
-                                  aURI,
-                                  mIOThunk,
-                                  nullPrincipal,
-                                  nsILoadInfo::SEC_REQUIRE_SAME_ORIGIN_DATA_IS_BLOCKED,
-                                  nsIContentPolicy::TYPE_OTHER,
-                                  NS_LITERAL_CSTRING("text/html"));
-    if (NS_FAILED(rv)) return rv;
+    rv = NS_NewInputStreamChannelInternal(getter_AddRefs(channel),
+                                          aURI,
+                                          mIOThunk,
+                                          NS_LITERAL_CSTRING("text/html"),
+                                          EmptyCString(),
+                                          aLoadInfo);
+    NS_ENSURE_SUCCESS(rv, rv);
 
     rv = mIOThunk->Init(aURI);
     if (NS_SUCCEEDED(rv)) {
@@ -563,6 +553,7 @@ nsJSChannel::AsyncOpen(nsIStreamListener *aListener, nsISupports *aContext)
                "security flags in loadInfo but asyncOpen2() not called");
     }
 #endif
+    MOZ_RELEASE_ASSERT(!aContext, "please call AsyncOpen2()");
 
     NS_ENSURE_ARG(aListener);
 
@@ -584,7 +575,6 @@ nsJSChannel::AsyncOpen(nsIStreamListener *aListener, nsISupports *aContext)
     }
     
     mListener = aListener;
-    mContext = aContext;
 
     mIsActive = true;
 
@@ -655,7 +645,7 @@ nsJSChannel::AsyncOpen(nsIStreamListener *aListener, nsISupports *aContext)
             return mStatus;
         }
 
-        // We're returning success from asyncOpen(), but we didn't open a
+        // We're returning success from asyncOpen2(), but we didn't open a
         // stream channel.  We'll have to notify ourselves, but make sure to do
         // it asynchronously.
         method = &nsJSChannel::NotifyListener;            
@@ -772,7 +762,7 @@ nsJSChannel::EvaluateScript()
         return;
     }
     
-    mStatus = mStreamChannel->AsyncOpen(this, mContext);
+    mStatus = mStreamChannel->AsyncOpen2(this);
     if (NS_SUCCEEDED(mStatus)) {
         // mStreamChannel will call OnStartRequest and OnStopRequest on
         // us, so we'll be sure to call them on our listener.
@@ -800,8 +790,8 @@ nsJSChannel::EvaluateScript()
 void
 nsJSChannel::NotifyListener()
 {
-    mListener->OnStartRequest(this, mContext);
-    mListener->OnStopRequest(this, mContext, mStatus);
+    mListener->OnStartRequest(this, nullptr);
+    mListener->OnStopRequest(this, nullptr, mStatus);
 
     CleanupStrongRefs();
 }
@@ -810,7 +800,6 @@ void
 nsJSChannel::CleanupStrongRefs()
 {
     mListener = nullptr;
-    mContext = nullptr;
     mOriginalInnerWindow = nullptr;
     if (mDocumentOnloadBlockedOn) {
         mDocumentOnloadBlockedOn->UnblockOnload(false);
@@ -1240,11 +1229,7 @@ nsJSProtocolHandler::NewChannel2(nsIURI* uri,
         return NS_ERROR_OUT_OF_MEMORY;
     }
 
-    rv = channel->Init(uri);
-    NS_ENSURE_SUCCESS(rv, rv);
-
-    // set the loadInfo on the new channel
-    rv = channel->SetLoadInfo(aLoadInfo);
+    rv = channel->Init(uri, aLoadInfo);
     NS_ENSURE_SUCCESS(rv, rv);
 
     if (NS_SUCCEEDED(rv)) {
diff --git a/uriloader/base/nsURILoader.cpp b/uriloader/base/nsURILoader.cpp
index 69475d68fd..ea370aa37c 100644
--- a/uriloader/base/nsURILoader.cpp
+++ b/uriloader/base/nsURILoader.cpp
@@ -834,7 +834,7 @@ NS_IMETHODIMP nsURILoader::OpenURI(nsIChannel *channel,
     // the preferred protocol handler. 
 
     // But for now, I'm going to let necko do the work for us....
-    rv = channel->AsyncOpen(loader, nullptr);
+    rv = channel->AsyncOpen2(loader);
 
     // no content from this load - that's OK.
     if (rv == NS_ERROR_NO_CONTENT) {