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third_party/WebKit/Source/core/fetch/ResourceLoader.cpp

 /*
  * Copyright (C) 2006, 2007, 2010, 2011 Apple Inc. All rights reserved.
  *           (C) 2007 Graham Dennis (graham.dennis@gmail.com)
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
@@ skipping 118 matching lines @@
     m_loader->didChangePriority(
         static_cast<WebURLRequest::Priority>(loadPriority), intraPriorityValue);
   }
 }
 
 void ResourceLoader::cancel() {
   didFail(
       ResourceError::cancelledError(m_resource->lastResourceRequest().url()));
 }
 
-void ResourceLoader::cancelForRedirectAccessCheckError(const KURL& newURL) {
+void ResourceLoader::cancelForRedirectAccessCheckError(
+    const KURL& newURL,
+    ResourceRequestBlockedReason blockedReason) {
   m_resource->willNotFollowRedirect();
 
-  if (m_loader)
-    didFail(ResourceError::cancelledDueToAccessCheckError(newURL));
+  if (m_loader) {
+    didFail(
+        ResourceError::cancelledDueToAccessCheckError(newURL, blockedReason));
+  }
 }
 
 bool ResourceLoader::willFollowRedirect(
     WebURLLoader*,
     WebURLRequest& passedNewRequest,
     const WebURLResponse& passedRedirectResponse) {
   DCHECK(!passedNewRequest.isNull());
   DCHECK(!passedRedirectResponse.isNull());
 
   if (m_isCacheAwareLoadingActivated) {
     // Fail as cache miss if cached response is a redirect.
     didFail(
         ResourceError::cacheMissError(m_resource->lastResourceRequest().url()));
     return false;
   }
 
   ResourceRequest& newRequest(passedNewRequest.toMutableResourceRequest());
   const ResourceResponse& redirectResponse(
       passedRedirectResponse.toResourceResponse());
   newRequest.setRedirectStatus(
       ResourceRequest::RedirectStatus::FollowedRedirect);
 
   const KURL originalURL = newRequest.url();
 
-  if (!m_fetcher->willFollowRedirect(m_resource.get(), newRequest,
-                                     redirectResponse)) {
-    cancelForRedirectAccessCheckError(newRequest.url());
+  ResourceRequestBlockedReason blockedReason = m_fetcher->willFollowRedirect(
+      m_resource.get(), newRequest, redirectResponse);
+  if (blockedReason != ResourceRequestBlockedReason::None) {
+    cancelForRedirectAccessCheckError(newRequest.url(), blockedReason);
     return false;
   }
 
   // ResourceFetcher::willFollowRedirect() may rewrite the URL to
   // something else not for rejecting redirect but for other reasons.
   // E.g. WebFrameTestClient::willSendRequest() and
   // RenderFrameImpl::willSendRequest(). We should reflect the
   // rewriting but currently we cannot. So, return false to make the
   // redirect fail.
   if (newRequest.url() != originalURL) {
-    cancelForRedirectAccessCheckError(newRequest.url());
+    cancelForRedirectAccessCheckError(newRequest.url(),
+                                      ResourceRequestBlockedReason::Other);
     return false;
   }
 
   if (!m_resource->willFollowRedirect(newRequest, redirectResponse)) {
-    cancelForRedirectAccessCheckError(newRequest.url());
+    cancelForRedirectAccessCheckError(newRequest.url(),
+                                      ResourceRequestBlockedReason::Other);
     return false;
   }
 
   return true;
 }
 
 void ResourceLoader::didReceiveCachedMetadata(WebURLLoader*,
                                               const char* data,
                                               int length) {
   m_resource->setSerializedCachedMetadata(data, length);
@@ skipping 123 matching lines @@
     return;
 
   // Don't activate if cache policy is explicitly set.
   if (request.getCachePolicy() != WebCachePolicy::UseProtocolCachePolicy)
     return;
 
   m_isCacheAwareLoadingActivated = true;
 }
 
 }  // namespace blink