Line data    Source code

       1             : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
       2             : /* This Source Code Form is subject to the terms of the Mozilla Public
       3             :  * License, v. 2.0. If a copy of the MPL was not distributed with this
       4             :  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
       5             : 
       6             : #include "txXMLParser.h"
       7             : #include "txURIUtils.h"
       8             : #include "txXPathTreeWalker.h"
       9             : 
      10             : #include "nsIDocument.h"
      11             : #include "nsIDOMDocument.h"
      12             : #include "nsSyncLoadService.h"
      13             : #include "nsNetUtil.h"
      14             : #include "nsIURI.h"
      15             : #include "nsIPrincipal.h"
      16             : 
      17             : nsresult
      18           0 : txParseDocumentFromURI(const nsAString& aHref,
      19             :                        const txXPathNode& aLoader,
      20             :                        nsAString& aErrMsg,
      21             :                        txXPathNode** aResult)
      22             : {
      23           0 :     NS_ENSURE_ARG_POINTER(aResult);
      24           0 :     *aResult = nullptr;
      25           0 :     nsCOMPtr<nsIURI> documentURI;
      26           0 :     nsresult rv = NS_NewURI(getter_AddRefs(documentURI), aHref);
      27           0 :     NS_ENSURE_SUCCESS(rv, rv);
      28             : 
      29           0 :     nsIDocument* loaderDocument = txXPathNativeNode::getDocument(aLoader);
      30             : 
      31           0 :     nsCOMPtr<nsILoadGroup> loadGroup = loaderDocument->GetDocumentLoadGroup();
      32             : 
      33             :     // For the system principal loaderUri will be null here, which is good
      34             :     // since that means that chrome documents can load any uri.
      35             : 
      36             :     // Raw pointer, we want the resulting txXPathNode to hold a reference to
      37             :     // the document.
      38           0 :     nsIDOMDocument* theDocument = nullptr;
      39           0 :     nsAutoSyncOperation sync(loaderDocument);
      40           0 :     rv = nsSyncLoadService::LoadDocument(documentURI,
      41             :                                          nsIContentPolicy::TYPE_INTERNAL_XMLHTTPREQUEST,
      42             :                                          loaderDocument->NodePrincipal(),
      43             :                                          nsILoadInfo::SEC_REQUIRE_CORS_DATA_INHERITS,
      44             :                                          loadGroup, true,
      45             :                                          loaderDocument->GetReferrerPolicy(),
      46             :                                          &theDocument);
      47             : 
      48           0 :     if (NS_FAILED(rv)) {
      49           0 :         aErrMsg.AppendLiteral("Document load of ");
      50           0 :         aErrMsg.Append(aHref);
      51           0 :         aErrMsg.AppendLiteral(" failed.");
      52           0 :         return NS_FAILED(rv) ? rv : NS_ERROR_FAILURE;
      53             :     }
      54             : 
      55           0 :     *aResult = txXPathNativeNode::createXPathNode(theDocument);
      56           0 :     if (!*aResult) {
      57           0 :         NS_RELEASE(theDocument);
      58           0 :         return NS_ERROR_FAILURE;
      59             :     }
      60             : 
      61           0 :     return NS_OK;
      62             : }