1 files changed, 59 insertions, 0 deletions
diff --git a/dom/xslt/xml/txXMLParser.cpp b/dom/xslt/xml/txXMLParser.cpp
new file mode 100644
index 0000000000..b769d6f17e
--- /dev/null
+++ b/dom/xslt/xml/txXMLParser.cpp
@@ -0,0 +1,59 @@
+/* -*- 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/. */
+
+#include "txXMLParser.h"
+#include "txURIUtils.h"
+#include "txXPathTreeWalker.h"
+
+#include "mozilla/dom/Document.h"
+#include "nsSyncLoadService.h"
+#include "nsNetUtil.h"
+#include "nsIURI.h"
+
+using namespace mozilla::dom;
+
+nsresult txParseDocumentFromURI(const nsAString& aHref,
+                                const txXPathNode& aLoader, nsAString& aErrMsg,
+                                txXPathNode** aResult) {
+  NS_ENSURE_ARG_POINTER(aResult);
+  *aResult = nullptr;
+  nsCOMPtr<nsIURI> documentURI;
+  nsresult rv = NS_NewURI(getter_AddRefs(documentURI), aHref);
+  NS_ENSURE_SUCCESS(rv, rv);
+
+  Document* loaderDocument = txXPathNativeNode::getDocument(aLoader);
+
+  nsCOMPtr<nsILoadGroup> loadGroup = loaderDocument->GetDocumentLoadGroup();
+
+  // For the system principal loaderUri will be null here, which is good
+  // since that means that chrome documents can load any uri.
+
+  // Raw pointer, we want the resulting txXPathNode to hold a reference to
+  // the document.
+  Document* theDocument = nullptr;
+  nsAutoSyncOperation sync(loaderDocument,
+                           SyncOperationBehavior::eSuspendInput);
+  rv = nsSyncLoadService::LoadDocument(
+      documentURI, nsIContentPolicy::TYPE_INTERNAL_XMLHTTPREQUEST,
+      loaderDocument->NodePrincipal(),
+      nsILoadInfo::SEC_REQUIRE_CORS_INHERITS_SEC_CONTEXT, loadGroup,
+      loaderDocument->CookieJarSettings(), true,
+      loaderDocument->GetReferrerPolicy(), &theDocument);
+
+  if (NS_FAILED(rv)) {
+    aErrMsg.AppendLiteral("Document load of ");
+    aErrMsg.Append(aHref);
+    aErrMsg.AppendLiteral(" failed.");
+    return NS_FAILED(rv) ? rv : NS_ERROR_FAILURE;
+  }
+
+  *aResult = txXPathNativeNode::createXPathNode(theDocument);
+  if (!*aResult) {
+    NS_RELEASE(theDocument);
+    return NS_ERROR_FAILURE;
+  }
+
+  return NS_OK;
+}