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-rw-r--r--docshell/base/nsDocShell.cpp28
-rw-r--r--docshell/base/nsDocShell.h6
-rw-r--r--docshell/base/nsILinkHandler.h10
-rw-r--r--dom/base/nsContentUtils.cpp2
-rw-r--r--dom/plugins/base/nsPluginInstanceOwner.cpp25
5 files changed, 47 insertions, 24 deletions
diff --git a/docshell/base/nsDocShell.cpp b/docshell/base/nsDocShell.cpp
index de8f79f0a..d67941620 100644
--- a/docshell/base/nsDocShell.cpp
+++ b/docshell/base/nsDocShell.cpp
@@ -13918,7 +13918,8 @@ public:
const nsAString& aFileName,
nsIInputStream* aPostDataStream,
nsIInputStream* aHeadersDataStream,
- bool aIsTrusted);
+ bool aIsTrusted,
+ nsIPrincipal* aTriggeringPrincipal);
NS_IMETHOD Run() override
{
@@ -13934,7 +13935,7 @@ public:
mHandler->OnLinkClickSync(mContent, mURI,
mTargetSpec.get(), mFileName,
mPostDataStream, mHeadersDataStream,
- nullptr, nullptr);
+ nullptr, nullptr, mTriggeringPrincipal);
}
return NS_OK;
}
@@ -13949,6 +13950,7 @@ private:
nsCOMPtr<nsIContent> mContent;
PopupControlState mPopupState;
bool mIsTrusted;
+ nsCOMPtr<nsIPrincipal> mTriggeringPrincipal;
};
OnLinkClickEvent::OnLinkClickEvent(nsDocShell* aHandler,
@@ -13958,7 +13960,8 @@ OnLinkClickEvent::OnLinkClickEvent(nsDocShell* aHandler,
const nsAString& aFileName,
nsIInputStream* aPostDataStream,
nsIInputStream* aHeadersDataStream,
- bool aIsTrusted)
+ bool aIsTrusted,
+ nsIPrincipal* aTriggeringPrincipal)
: mHandler(aHandler)
, mURI(aURI)
, mTargetSpec(aTargetSpec)
@@ -13968,6 +13971,7 @@ OnLinkClickEvent::OnLinkClickEvent(nsDocShell* aHandler,
, mContent(aContent)
, mPopupState(mHandler->mScriptGlobal->GetPopupControlState())
, mIsTrusted(aIsTrusted)
+ , mTriggeringPrincipal(aTriggeringPrincipal)
{
}
@@ -13978,7 +13982,8 @@ nsDocShell::OnLinkClick(nsIContent* aContent,
const nsAString& aFileName,
nsIInputStream* aPostDataStream,
nsIInputStream* aHeadersDataStream,
- bool aIsTrusted)
+ bool aIsTrusted,
+ nsIPrincipal* aTriggeringPrincipal)
{
NS_ASSERTION(NS_IsMainThread(), "wrong thread");
@@ -14017,7 +14022,8 @@ nsDocShell::OnLinkClick(nsIContent* aContent,
nsCOMPtr<nsIRunnable> ev =
new OnLinkClickEvent(this, aContent, aURI, target.get(), aFileName,
- aPostDataStream, aHeadersDataStream, aIsTrusted);
+ aPostDataStream, aHeadersDataStream,
+ aIsTrusted, aTriggeringPrincipal);
return NS_DispatchToCurrentThread(ev);
}
@@ -14029,7 +14035,8 @@ nsDocShell::OnLinkClickSync(nsIContent* aContent,
nsIInputStream* aPostDataStream,
nsIInputStream* aHeadersDataStream,
nsIDocShell** aDocShell,
- nsIRequest** aRequest)
+ nsIRequest** aRequest,
+ nsIPrincipal* aTriggeringPrincipal)
{
// Initialize the DocShell / Request
if (aDocShell) {
@@ -14152,13 +14159,18 @@ nsDocShell::OnLinkClickSync(nsIContent* aContent,
return NS_ERROR_OUT_OF_MEMORY;
}
+ // if the triggeringPrincipal is not passed explicitly, then we
+ // fall back to using doc->NodePrincipal() as the triggeringPrincipal.
+ nsCOMPtr<nsIPrincipal> triggeringPrincipal =
+ aTriggeringPrincipal ? aTriggeringPrincipal
+ : aContent->NodePrincipal();
+
nsresult rv = InternalLoad(clonedURI, // New URI
nullptr, // Original URI
false, // LoadReplace
referer, // Referer URI
refererPolicy, // Referer policy
- aContent->NodePrincipal(), // Triggering is our node's
- // principal
+ triggeringPrincipal,
aContent->NodePrincipal(),
flags,
target, // Window target
diff --git a/docshell/base/nsDocShell.h b/docshell/base/nsDocShell.h
index 63a4e3358..f510a15b0 100644
--- a/docshell/base/nsDocShell.h
+++ b/docshell/base/nsDocShell.h
@@ -201,7 +201,8 @@ public:
const nsAString& aFileName,
nsIInputStream* aPostDataStream,
nsIInputStream* aHeadersDataStream,
- bool aIsTrusted) override;
+ bool aIsTrusted,
+ nsIPrincipal* aTriggeringPrincipal) override;
NS_IMETHOD OnLinkClickSync(nsIContent* aContent,
nsIURI* aURI,
const char16_t* aTargetSpec,
@@ -209,7 +210,8 @@ public:
nsIInputStream* aPostDataStream = 0,
nsIInputStream* aHeadersDataStream = 0,
nsIDocShell** aDocShell = 0,
- nsIRequest** aRequest = 0) override;
+ nsIRequest** aRequest = 0,
+ nsIPrincipal* aTriggeringPrincipal = nullptr) override;
NS_IMETHOD OnOverLink(nsIContent* aContent,
nsIURI* aURI,
const char16_t* aTargetSpec) override;
diff --git a/docshell/base/nsILinkHandler.h b/docshell/base/nsILinkHandler.h
index 7cdcd566d..7069f1f1d 100644
--- a/docshell/base/nsILinkHandler.h
+++ b/docshell/base/nsILinkHandler.h
@@ -37,6 +37,8 @@ public:
* @param aFileName non-null when the link should be downloaded as the given file
* @param aHeadersDataStream ???
* @param aIsTrusted false if the triggerer is an untrusted DOM event.
+ * @param aTriggeringPrincipal, if not passed explicitly we fall back to
+ * the document's principal.
*/
NS_IMETHOD OnLinkClick(nsIContent* aContent,
nsIURI* aURI,
@@ -44,7 +46,8 @@ public:
const nsAString& aFileName,
nsIInputStream* aPostDataStream,
nsIInputStream* aHeadersDataStream,
- bool aIsTrusted) = 0;
+ bool aIsTrusted,
+ nsIPrincipal* aTriggeringPrincipal) = 0;
/**
* Process a click on a link.
@@ -61,6 +64,8 @@ public:
* @param aHeadersDataStream ???
* @param aDocShell (out-param) the DocShell that the request was opened on
* @param aRequest the request that was opened
+ * @param aTriggeringPrincipal, if not passed explicitly we fall back to
+ * the document's principal.
*/
NS_IMETHOD OnLinkClickSync(nsIContent* aContent,
nsIURI* aURI,
@@ -69,7 +74,8 @@ public:
nsIInputStream* aPostDataStream = 0,
nsIInputStream* aHeadersDataStream = 0,
nsIDocShell** aDocShell = 0,
- nsIRequest** aRequest = 0) = 0;
+ nsIRequest** aRequest = 0,
+ nsIPrincipal* aTriggeringPrincipal = nullptr) = 0;
/**
* Process a mouse-over a link.
diff --git a/dom/base/nsContentUtils.cpp b/dom/base/nsContentUtils.cpp
index bc8cea35a..76463df16 100644
--- a/dom/base/nsContentUtils.cpp
+++ b/dom/base/nsContentUtils.cpp
@@ -5104,7 +5104,7 @@ nsContentUtils::TriggerLink(nsIContent *aContent, nsPresContext *aPresContext,
handler->OnLinkClick(aContent, aLinkURI,
fileName.IsVoid() ? aTargetSpec.get() : EmptyString().get(),
- fileName, nullptr, nullptr, aIsTrusted);
+ fileName, nullptr, nullptr, aIsTrusted, aContent->NodePrincipal());
}
}
diff --git a/dom/plugins/base/nsPluginInstanceOwner.cpp b/dom/plugins/base/nsPluginInstanceOwner.cpp
index 291ae576d..d5b1eb9ea 100644
--- a/dom/plugins/base/nsPluginInstanceOwner.cpp
+++ b/dom/plugins/base/nsPluginInstanceOwner.cpp
@@ -535,16 +535,6 @@ NS_IMETHODIMP nsPluginInstanceOwner::GetURL(const char *aURL,
nsresult rv = NS_NewURI(getter_AddRefs(uri), aURL, baseURI);
NS_ENSURE_SUCCESS(rv, NS_ERROR_FAILURE);
- if (aDoCheckLoadURIChecks) {
- nsCOMPtr<nsIScriptSecurityManager> secMan(
- do_GetService(NS_SCRIPTSECURITYMANAGER_CONTRACTID, &rv));
- NS_ENSURE_TRUE(secMan, NS_ERROR_FAILURE);
-
- rv = secMan->CheckLoadURIWithPrincipal(content->NodePrincipal(), uri,
- nsIScriptSecurityManager::STANDARD);
- NS_ENSURE_SUCCESS(rv, rv);
- }
-
nsCOMPtr<nsIInputStream> headersDataStream;
if (aPostStream && aHeadersData) {
if (!aHeadersDataLen)
@@ -563,8 +553,21 @@ NS_IMETHODIMP nsPluginInstanceOwner::GetURL(const char *aURL,
Preferences::GetInt("privacy.popups.disable_from_plugins");
nsAutoPopupStatePusher popupStatePusher((PopupControlState)blockPopups);
+
+ // if security checks (in particular CheckLoadURIWithPrincipal) needs
+ // to be skipped we are creating a codebasePrincipal to make sure
+ // that security check succeeds. Please note that we do not want to
+ // fall back to using the systemPrincipal, because that would also
+ // bypass ContentPolicy checks which should still be enforced.
+ nsCOMPtr<nsIPrincipal> triggeringPrincipal;
+ if (!aDoCheckLoadURIChecks) {
+ mozilla::PrincipalOriginAttributes attrs =
+ BasePrincipal::Cast(content->NodePrincipal())->OriginAttributesRef();
+ triggeringPrincipal = BasePrincipal::CreateCodebasePrincipal(uri, attrs);
+ }
+
rv = lh->OnLinkClick(content, uri, unitarget.get(), NullString(),
- aPostStream, headersDataStream, true);
+ aPostStream, headersDataStream, true, triggeringPrincipal);
return rv;
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-09 15:52:31 +0000