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authorjanekptacijarabaci <janekptacijarabaci@seznam.cz>2018-04-23 00:13:56 +0200
committerjanekptacijarabaci <janekptacijarabaci@seznam.cz>2018-04-23 00:13:56 +0200
commitccbd5ecf57fcd53ac8b28ddf7466b6c930f764df (patch)
tree515628f8fa6c93ea74a30e240741ea75c6090f63 /docshell/base
parent30621a6307171f009948001b3730c5b61b894048 (diff)
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moebius#187: DOM - nsIContentPolicy - context (document)
https://github.com/MoonchildProductions/moebius/pull/187
Diffstat (limited to 'docshell/base')
-rw-r--r--docshell/base/nsDocShell.cpp74
1 files changed, 43 insertions, 31 deletions
diff --git a/docshell/base/nsDocShell.cpp b/docshell/base/nsDocShell.cpp
index b1fcc5c23..bd2a8a433 100644
--- a/docshell/base/nsDocShell.cpp
+++ b/docshell/base/nsDocShell.cpp
@@ -9896,40 +9896,29 @@ nsDocShell::InternalLoad(nsIURI* aURI,
contentType = nsIContentPolicy::TYPE_DOCUMENT;
}
- // If there's no targetDocShell, that means we are about to create a new window,
- // perform a content policy check before creating the window.
- if (!targetDocShell) {
- nsCOMPtr<Element> requestingElement;
+ // If there's no targetDocShell, that means we are about to create a new
+ // window (or aWindowTarget is empty). Perform a content policy check before
+ // creating the window. Please note for all other docshell loads
+ // content policy checks are performed within the contentSecurityManager
+ // when the channel is about to be openend.
+ if (!targetDocShell && !aWindowTarget.IsEmpty()) {
+ MOZ_ASSERT(contentType == nsIContentPolicy::TYPE_DOCUMENT,
+ "opening a new window requires type to be TYPE_DOCUMENT");
+
nsISupports* requestingContext = nullptr;
- if (contentType == nsIContentPolicy::TYPE_DOCUMENT) {
- if (XRE_IsContentProcess()) {
- // In e10s the child process doesn't have access to the element that
- // contains the browsing context (because that element is in the chrome
- // process). So we just pass mScriptGlobal.
- requestingContext = ToSupports(mScriptGlobal);
- } else {
- // This is for loading non-e10s tabs and toplevel windows of various
- // sorts.
- // For the toplevel window cases, requestingElement will be null.
- requestingElement = mScriptGlobal->AsOuter()->GetFrameElementInternal();
- requestingContext = requestingElement;
- }
+ if (XRE_IsContentProcess()) {
+ // In e10s the child process doesn't have access to the element that
+ // contains the browsing context (because that element is in the chrome
+ // process). So we just pass mScriptGlobal.
+ requestingContext = ToSupports(mScriptGlobal);
} else {
- requestingElement = mScriptGlobal->AsOuter()->GetFrameElementInternal();
+ // This is for loading non-e10s tabs and toplevel windows of various
+ // sorts.
+ // For the toplevel window cases, requestingElement will be null.
+ nsCOMPtr<Element> requestingElement =
+ mScriptGlobal->AsOuter()->GetFrameElementInternal();
requestingContext = requestingElement;
-
-#ifdef DEBUG
- if (requestingElement) {
- // Get the docshell type for requestingElement.
- nsCOMPtr<nsIDocument> requestingDoc = requestingElement->OwnerDoc();
- nsCOMPtr<nsIDocShell> elementDocShell = requestingDoc->GetDocShell();
-
- // requestingElement docshell type = current docshell type.
- MOZ_ASSERT(mItemType == elementDocShell->ItemType(),
- "subframes should have the same docshell type as their parent");
- }
-#endif
}
// Since Content Policy checks are performed within docShell as well as
@@ -10911,17 +10900,40 @@ nsDocShell::DoURILoad(nsIURI* aURI,
nsCOMPtr<nsINode> loadingNode;
nsCOMPtr<nsPIDOMWindowOuter> loadingWindow;
nsCOMPtr<nsIPrincipal> loadingPrincipal;
+ nsCOMPtr<nsISupports> topLevelLoadingContext;
if (aContentPolicyType == nsIContentPolicy::TYPE_DOCUMENT) {
loadingNode = nullptr;
loadingPrincipal = nullptr;
loadingWindow = mScriptGlobal->AsOuter();
+ if (XRE_IsContentProcess()) {
+ // In e10s the child process doesn't have access to the element that
+ // contains the browsing context (because that element is in the chrome
+ // process).
+ nsCOMPtr<nsITabChild> tabChild = GetTabChild();
+ topLevelLoadingContext = ToSupports(tabChild);
+ } else {
+ // This is for loading non-e10s tabs and toplevel windows of various
+ // sorts.
+ // For the toplevel window cases, requestingElement will be null.
+ nsCOMPtr<Element> requestingElement =
+ loadingWindow->GetFrameElementInternal();
+ topLevelLoadingContext = requestingElement;
+ }
} else {
loadingWindow = nullptr;
loadingNode = mScriptGlobal->AsOuter()->GetFrameElementInternal();
if (loadingNode) {
// If we have a loading node, then use that as our loadingPrincipal.
loadingPrincipal = loadingNode->NodePrincipal();
+#ifdef DEBUG
+ // Get the docshell type for requestingElement.
+ nsCOMPtr<nsIDocument> requestingDoc = loadingNode->OwnerDoc();
+ nsCOMPtr<nsIDocShell> elementDocShell = requestingDoc->GetDocShell();
+ // requestingElement docshell type = current docshell type.
+ MOZ_ASSERT(mItemType == elementDocShell->ItemType(),
+ "subframes should have the same docshell type as their parent");
+#endif
} else {
// If this isn't a top-level load and mScriptGlobal's frame element is
// null, then the element got removed from the DOM while we were trying
@@ -10971,7 +10983,7 @@ nsDocShell::DoURILoad(nsIURI* aURI,
nsCOMPtr<nsILoadInfo> loadInfo =
(aContentPolicyType == nsIContentPolicy::TYPE_DOCUMENT) ?
- new LoadInfo(loadingWindow, aTriggeringPrincipal,
+ new LoadInfo(loadingWindow, aTriggeringPrincipal, topLevelLoadingContext,
securityFlags) :
new LoadInfo(loadingPrincipal, aTriggeringPrincipal, loadingNode,
securityFlags, aContentPolicyType);