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<dl class="meta">
<dt>Revision</dt> <dd><a href="http://trac.webkit.org/projects/webkit/changeset/168478">168478</a></dd>
<dt>Author</dt> <dd>ap@apple.com</dd>
<dt>Date</dt> <dd>2014-05-08 11:33:18 -0700 (Thu, 08 May 2014)</dd>
</dl>

<h3>Log Message</h3>
<pre>Make BlobDataFileReference manage its sandbox extension
https://bugs.webkit.org/show_bug.cgi?id=132689

Reviewed by Anders Carlsson.


Source/WebCore: 
* WebCore.exp.in: Export symbols that are now needed in WebKit2 to subclass BlobDataFileReference.

* fileapi/ThreadableBlobRegistry.cpp: (WebCore::ThreadableBlobRegistry::registerFileBlobURL):
* platform/network/BlobData.cpp: (WebCore::BlobData::appendFile):
* platform/network/BlobData.h: (WebCore::BlobDataItem::BlobDataItem):
* platform/network/BlobRegistry.h:
* platform/network/BlobRegistryImpl.cpp: (WebCore::BlobRegistryImpl::registerFileBlobURL):
* platform/network/BlobRegistryImpl.h:
BlobRegistry now takes a BlobDataFileReference and not a path, so that WebKit2
could pass objects that include sandbox extensions.

* platform/network/BlobDataFileReference.h:
* platform/network/BlobDataFileReference.cpp:
(WebCore::BlobDataFileReference::~BlobDataFileReference): Added a virtual destructor.
(WebCore::BlobDataFileReference::size): We now record the size and modification time right away, no need to lazily calculate them.
(WebCore::BlobDataFileReference::expectedModificationTime): Ditto.
(WebCore::BlobDataFileReference::startTrackingModifications): Record time and size
(since it's a single call). However, size calculation will become complicated again soon.
(WebCore::BlobDataFileReference::prepareForFileAccess): A hook for subclasses.
(WebCore::BlobDataFileReference::revokeFileAccess): Ditto.
(WebCore::BlobDataFileReference::computeFileSystemData): Deleted.

Source/WebKit2: 
* CMakeLists.txt:
* PlatformGTK.cmake:
* WebKit2.xcodeproj/project.pbxproj:
Added BlobDataFileReferenceWithSandboxExtension.

* NetworkProcess/FileAPI/NetworkBlobRegistry.cpp:
(WebKit::NetworkBlobRegistry::registerFileBlobURL):
(WebKit::NetworkBlobRegistry::registerBlobURL):
(WebKit::NetworkBlobRegistry::registerBlobURLForSlice):
(WebKit::NetworkBlobRegistry::unregisterBlobURL):
(WebKit::NetworkBlobRegistry::connectionToWebProcessDidClose):
(WebKit::NetworkBlobRegistry::filesInBlob):
(WebKit::NetworkBlobRegistry::sandboxExtensions): Deleted.
* NetworkProcess/FileAPI/NetworkBlobRegistry.h:
We no longer track sandbox extensions here. Instead, provide a way to get files
for a blob, which contain extensions and can allow access to themselves.

* NetworkProcess/NetworkResourceLoader.cpp:
(WebKit::NetworkResourceLoader::NetworkResourceLoader):
(WebKit::NetworkResourceLoader::consumeSandboxExtensions):
(WebKit::NetworkResourceLoader::invalidateSandboxExtensions):
* NetworkProcess/NetworkResourceLoader.h:
Allow/revoke access to files in blob, just like we do for explicitly passed extensions.

* Shared/BlobDataFileReferenceWithSandboxExtension.cpp: Added.
(WebKit::BlobDataFileReferenceWithSandboxExtension::BlobDataFileReferenceWithSandboxExtension):
(WebKit::BlobDataFileReferenceWithSandboxExtension::~BlobDataFileReferenceWithSandboxExtension):
(WebKit::BlobDataFileReferenceWithSandboxExtension::prepareForFileAccess):
(WebKit::BlobDataFileReferenceWithSandboxExtension::revokeFileAccess):
* Shared/BlobDataFileReferenceWithSandboxExtension.h: Added.
(WebKit::BlobDataFileReferenceWithSandboxExtension::create):
A subclass of BlobDataFileReference that also contains a sandbox extension. NetworkProcess
always uses it in BlobRegistryImpl.

* WebProcess/FileAPI/BlobRegistryProxy.cpp: (WebKit::BlobRegistryProxy::registerFileBlobURL):
* WebProcess/FileAPI/BlobRegistryProxy.h:
Updated for BlobRegistry interface changes. BlobRegistryProxy doesn't really need
a BlobDataFileReference here, as it only uses a path, but it needs to implement the same interface
as BlobRegistryImpl.</pre>

<h3>Modified Paths</h3>
<ul>
<li><a href="#trunkSourceWebCoreChangeLog">trunk/Source/WebCore/ChangeLog</a></li>
<li><a href="#trunkSourceWebCoreWebCoreexpin">trunk/Source/WebCore/WebCore.exp.in</a></li>
<li><a href="#trunkSourceWebCorefileapiThreadableBlobRegistrycpp">trunk/Source/WebCore/fileapi/ThreadableBlobRegistry.cpp</a></li>
<li><a href="#trunkSourceWebCoreplatformnetworkBlobDatacpp">trunk/Source/WebCore/platform/network/BlobData.cpp</a></li>
<li><a href="#trunkSourceWebCoreplatformnetworkBlobDatah">trunk/Source/WebCore/platform/network/BlobData.h</a></li>
<li><a href="#trunkSourceWebCoreplatformnetworkBlobDataFileReferencecpp">trunk/Source/WebCore/platform/network/BlobDataFileReference.cpp</a></li>
<li><a href="#trunkSourceWebCoreplatformnetworkBlobDataFileReferenceh">trunk/Source/WebCore/platform/network/BlobDataFileReference.h</a></li>
<li><a href="#trunkSourceWebCoreplatformnetworkBlobRegistryh">trunk/Source/WebCore/platform/network/BlobRegistry.h</a></li>
<li><a href="#trunkSourceWebCoreplatformnetworkBlobRegistryImplcpp">trunk/Source/WebCore/platform/network/BlobRegistryImpl.cpp</a></li>
<li><a href="#trunkSourceWebCoreplatformnetworkBlobRegistryImplh">trunk/Source/WebCore/platform/network/BlobRegistryImpl.h</a></li>
<li><a href="#trunkSourceWebKit2CMakeListstxt">trunk/Source/WebKit2/CMakeLists.txt</a></li>
<li><a href="#trunkSourceWebKit2ChangeLog">trunk/Source/WebKit2/ChangeLog</a></li>
<li><a href="#trunkSourceWebKit2NetworkProcessFileAPINetworkBlobRegistrycpp">trunk/Source/WebKit2/NetworkProcess/FileAPI/NetworkBlobRegistry.cpp</a></li>
<li><a href="#trunkSourceWebKit2NetworkProcessFileAPINetworkBlobRegistryh">trunk/Source/WebKit2/NetworkProcess/FileAPI/NetworkBlobRegistry.h</a></li>
<li><a href="#trunkSourceWebKit2NetworkProcessNetworkResourceLoadercpp">trunk/Source/WebKit2/NetworkProcess/NetworkResourceLoader.cpp</a></li>
<li><a href="#trunkSourceWebKit2NetworkProcessNetworkResourceLoaderh">trunk/Source/WebKit2/NetworkProcess/NetworkResourceLoader.h</a></li>
<li><a href="#trunkSourceWebKit2PlatformGTKcmake">trunk/Source/WebKit2/PlatformGTK.cmake</a></li>
<li><a href="#trunkSourceWebKit2WebKit2xcodeprojprojectpbxproj">trunk/Source/WebKit2/WebKit2.xcodeproj/project.pbxproj</a></li>
<li><a href="#trunkSourceWebKit2WebProcessFileAPIBlobRegistryProxycpp">trunk/Source/WebKit2/WebProcess/FileAPI/BlobRegistryProxy.cpp</a></li>
<li><a href="#trunkSourceWebKit2WebProcessFileAPIBlobRegistryProxyh">trunk/Source/WebKit2/WebProcess/FileAPI/BlobRegistryProxy.h</a></li>
</ul>

<h3>Added Paths</h3>
<ul>
<li><a href="#trunkSourceWebKit2SharedBlobDataFileReferenceWithSandboxExtensioncpp">trunk/Source/WebKit2/Shared/BlobDataFileReferenceWithSandboxExtension.cpp</a></li>
<li><a href="#trunkSourceWebKit2SharedBlobDataFileReferenceWithSandboxExtensionh">trunk/Source/WebKit2/Shared/BlobDataFileReferenceWithSandboxExtension.h</a></li>
</ul>

</div>
<div id="patch">
<h3>Diff</h3>
<a id="trunkSourceWebCoreChangeLog"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/ChangeLog (168477 => 168478)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/ChangeLog        2014-05-08 18:24:04 UTC (rev 168477)
+++ trunk/Source/WebCore/ChangeLog        2014-05-08 18:33:18 UTC (rev 168478)
</span><span class="lines">@@ -1,3 +1,32 @@
</span><ins>+2014-05-08  Alexey Proskuryakov  &lt;ap@apple.com&gt;
+
+        Make BlobDataFileReference manage its sandbox extension
+        https://bugs.webkit.org/show_bug.cgi?id=132689
+
+        Reviewed by Anders Carlsson.
+
+        * WebCore.exp.in: Export symbols that are now needed in WebKit2 to subclass BlobDataFileReference.
+
+        * fileapi/ThreadableBlobRegistry.cpp: (WebCore::ThreadableBlobRegistry::registerFileBlobURL):
+        * platform/network/BlobData.cpp: (WebCore::BlobData::appendFile):
+        * platform/network/BlobData.h: (WebCore::BlobDataItem::BlobDataItem):
+        * platform/network/BlobRegistry.h:
+        * platform/network/BlobRegistryImpl.cpp: (WebCore::BlobRegistryImpl::registerFileBlobURL):
+        * platform/network/BlobRegistryImpl.h:
+        BlobRegistry now takes a BlobDataFileReference and not a path, so that WebKit2
+        could pass objects that include sandbox extensions.
+
+        * platform/network/BlobDataFileReference.h:
+        * platform/network/BlobDataFileReference.cpp:
+        (WebCore::BlobDataFileReference::~BlobDataFileReference): Added a virtual destructor.
+        (WebCore::BlobDataFileReference::size): We now record the size and modification time right away, no need to lazily calculate them.
+        (WebCore::BlobDataFileReference::expectedModificationTime): Ditto.
+        (WebCore::BlobDataFileReference::startTrackingModifications): Record time and size
+        (since it's a single call). However, size calculation will become complicated again soon.
+        (WebCore::BlobDataFileReference::prepareForFileAccess): A hook for subclasses.
+        (WebCore::BlobDataFileReference::revokeFileAccess): Ditto.
+        (WebCore::BlobDataFileReference::computeFileSystemData): Deleted.
+
</ins><span class="cx"> 2014-05-08  Rik Cabanier  &lt;cabanier@adobe.com&gt;
</span><span class="cx"> 
</span><span class="cx">         Add support for drawFocusIfNeeded
</span></span></pre></div>
<a id="trunkSourceWebCoreWebCoreexpin"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/WebCore.exp.in (168477 => 168478)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/WebCore.exp.in        2014-05-08 18:24:04 UTC (rev 168477)
+++ trunk/Source/WebCore/WebCore.exp.in        2014-05-08 18:33:18 UTC (rev 168478)
</span><span class="lines">@@ -866,6 +866,7 @@
</span><span class="cx"> __ZN7WebCore21BackForwardController11itemAtIndexEi
</span><span class="cx"> __ZN7WebCore21BackForwardController6goBackEv
</span><span class="cx"> __ZN7WebCore21BackForwardController9goForwardEv
</span><ins>+__ZN7WebCore21BlobDataFileReferenceD2Ev
</ins><span class="cx"> __ZN7WebCore21CrossThreadCopierBaseILb0ELb0EN3WTF6StringEE4copyERKS2_
</span><span class="cx"> __ZN7WebCore21CrossThreadCopierBaseILb0ELb0ENS_19IDBDatabaseMetadataEE4copyERKS1_
</span><span class="cx"> __ZN7WebCore21MemoryPressureHandler7installEv
</span><span class="lines">@@ -1691,6 +1692,7 @@
</span><span class="cx"> __ZNK7WebCore15VisiblePosition45lineDirectionPointForBlockDirectionNavigationEv
</span><span class="cx"> __ZNK7WebCore15VisiblePosition4nextENS_27EditingBoundaryCrossingRuleE
</span><span class="cx"> __ZNK7WebCore15VisiblePosition8previousENS_27EditingBoundaryCrossingRuleE
</span><ins>+__ZNK7WebCore16BlobRegistryImpl18getBlobDataFromURLERKNS_3URLE
</ins><span class="cx"> __ZNK7WebCore16EventListenerMap8containsERKN3WTF12AtomicStringE
</span><span class="cx"> __ZNK7WebCore16HTMLInputElement10isURLFieldEv
</span><span class="cx"> __ZNK7WebCore16HTMLInputElement11isDateFieldEv
</span><span class="lines">@@ -1976,6 +1978,7 @@
</span><span class="cx"> __ZTVN7WebCore16IconDatabaseBaseE
</span><span class="cx"> __ZTVN7WebCore17FrameLoaderClientE
</span><span class="cx"> __ZTVN7WebCore19BlurFilterOperationE
</span><ins>+__ZTVN7WebCore21BlobDataFileReferenceE
</ins><span class="cx"> __ZTVN7WebCore22DefaultFilterOperationE
</span><span class="cx"> __ZTVN7WebCore25DropShadowFilterOperationE
</span><span class="cx"> __ZTVN7WebCore28InspectorFrontendClientLocal8SettingsE
</span></span></pre></div>
<a id="trunkSourceWebCorefileapiThreadableBlobRegistrycpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/fileapi/ThreadableBlobRegistry.cpp (168477 => 168478)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/fileapi/ThreadableBlobRegistry.cpp        2014-05-08 18:24:04 UTC (rev 168477)
+++ trunk/Source/WebCore/fileapi/ThreadableBlobRegistry.cpp        2014-05-08 18:33:18 UTC (rev 168478)
</span><span class="lines">@@ -31,6 +31,7 @@
</span><span class="cx"> #include &quot;config.h&quot;
</span><span class="cx"> #include &quot;ThreadableBlobRegistry.h&quot;
</span><span class="cx"> 
</span><ins>+#include &quot;BlobDataFileReference.h&quot;
</ins><span class="cx"> #include &quot;BlobPart.h&quot;
</span><span class="cx"> #include &quot;BlobRegistry.h&quot;
</span><span class="cx"> #include &quot;BlobURL.h&quot;
</span><span class="lines">@@ -102,13 +103,13 @@
</span><span class="cx"> void ThreadableBlobRegistry::registerFileBlobURL(const URL&amp; url, const String&amp; path, const String&amp; contentType)
</span><span class="cx"> {
</span><span class="cx">     if (isMainThread())
</span><del>-        blobRegistry().registerFileBlobURL(url, path, contentType);
</del><ins>+        blobRegistry().registerFileBlobURL(url, BlobDataFileReference::create(path), contentType);
</ins><span class="cx">     else {
</span><span class="cx">         // BlobRegistryContext performs an isolated copy of data.
</span><span class="cx">         BlobRegistryContext* context = new BlobRegistryContext(url, path, contentType);
</span><span class="cx">         callOnMainThread([context] {
</span><span class="cx">             std::unique_ptr&lt;BlobRegistryContext&gt; blobRegistryContext(context);
</span><del>-            blobRegistry().registerFileBlobURL(blobRegistryContext-&gt;url, blobRegistryContext-&gt;path, blobRegistryContext-&gt;contentType);
</del><ins>+            blobRegistry().registerFileBlobURL(blobRegistryContext-&gt;url, BlobDataFileReference::create(blobRegistryContext-&gt;path), blobRegistryContext-&gt;contentType);
</ins><span class="cx">         });
</span><span class="cx">     }
</span><span class="cx"> }
</span></span></pre></div>
<a id="trunkSourceWebCoreplatformnetworkBlobDatacpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/platform/network/BlobData.cpp (168477 => 168478)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/platform/network/BlobData.cpp        2014-05-08 18:24:04 UTC (rev 168477)
+++ trunk/Source/WebCore/platform/network/BlobData.cpp        2014-05-08 18:33:18 UTC (rev 168478)
</span><span class="lines">@@ -78,9 +78,10 @@
</span><span class="cx">     m_items.append(BlobDataItem(data, offset, length));
</span><span class="cx"> }
</span><span class="cx"> 
</span><del>-void BlobData::appendFile(const String&amp; path)
</del><ins>+void BlobData::appendFile(PassRefPtr&lt;BlobDataFileReference&gt; file)
</ins><span class="cx"> {
</span><del>-    m_items.append(BlobDataItem(path));
</del><ins>+    file-&gt;startTrackingModifications();
+    m_items.append(BlobDataItem(file));
</ins><span class="cx"> }
</span><span class="cx"> 
</span><span class="cx"> void BlobData::appendFile(BlobDataFileReference* file, long long offset, long long length)
</span></span></pre></div>
<a id="trunkSourceWebCoreplatformnetworkBlobDatah"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/platform/network/BlobData.h (168477 => 168478)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/platform/network/BlobData.h        2014-05-08 18:24:04 UTC (rev 168477)
+++ trunk/Source/WebCore/platform/network/BlobData.h        2014-05-08 18:33:18 UTC (rev 168478)
</span><span class="lines">@@ -86,9 +86,9 @@
</span><span class="cx"> private:
</span><span class="cx">     friend class BlobData;
</span><span class="cx"> 
</span><del>-    explicit BlobDataItem(const String&amp; path)
</del><ins>+    explicit BlobDataItem(PassRefPtr&lt;BlobDataFileReference&gt; file)
</ins><span class="cx">         : type(File)
</span><del>-        , file(BlobDataFileReference::create(path))
</del><ins>+        , file(file)
</ins><span class="cx">         , m_offset(0)
</span><span class="cx">         , m_length(toEndOfFile)
</span><span class="cx">     {
</span><span class="lines">@@ -130,7 +130,7 @@
</span><span class="cx">     void swapItems(BlobDataItemList&amp;);
</span><span class="cx"> 
</span><span class="cx">     void appendData(PassRefPtr&lt;RawData&gt;);
</span><del>-    void appendFile(const String&amp; path);
</del><ins>+    void appendFile(PassRefPtr&lt;BlobDataFileReference&gt;);
</ins><span class="cx"> 
</span><span class="cx"> private:
</span><span class="cx">     friend class BlobRegistryImpl;
</span></span></pre></div>
<a id="trunkSourceWebCoreplatformnetworkBlobDataFileReferencecpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/platform/network/BlobDataFileReference.cpp (168477 => 168478)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/platform/network/BlobDataFileReference.cpp        2014-05-08 18:24:04 UTC (rev 168477)
+++ trunk/Source/WebCore/platform/network/BlobDataFileReference.cpp        2014-05-08 18:33:18 UTC (rev 168478)
</span><span class="lines">@@ -30,26 +30,25 @@
</span><span class="cx"> 
</span><span class="cx"> namespace WebCore {
</span><span class="cx"> 
</span><ins>+BlobDataFileReference::~BlobDataFileReference()
+{
+}
+
</ins><span class="cx"> unsigned long long BlobDataFileReference::size() const
</span><span class="cx"> {
</span><del>-    if (!m_fileSystemDataComputed)
-        computeFileSystemData();
-
</del><span class="cx">     return m_size;
</span><span class="cx"> }
</span><span class="cx"> 
</span><span class="cx"> double BlobDataFileReference::expectedModificationTime() const
</span><span class="cx"> {
</span><del>-    if (!m_fileSystemDataComputed)
-        computeFileSystemData();
-
</del><span class="cx">     return m_expectedModificationTime;
</span><span class="cx"> }
</span><span class="cx"> 
</span><del>-void BlobDataFileReference::computeFileSystemData() const
</del><ins>+void BlobDataFileReference::startTrackingModifications()
</ins><span class="cx"> {
</span><del>-    m_fileSystemDataComputed = true;
-
</del><ins>+    // This is not done automatically by the constructor, because BlobDataFileReference is
+    // also used to pass paths around before registration. Only registered blobs need to pay
+    // the cost of tracking file modifications.
</ins><span class="cx">     FileMetadata metadata;
</span><span class="cx">     if (!getFileMetadata(m_path, metadata))
</span><span class="cx">         return;
</span><span class="lines">@@ -58,4 +57,12 @@
</span><span class="cx">     m_expectedModificationTime = metadata.modificationTime;
</span><span class="cx"> }
</span><span class="cx"> 
</span><ins>+void BlobDataFileReference::prepareForFileAccess()
+{
</ins><span class="cx"> }
</span><ins>+
+void BlobDataFileReference::revokeFileAccess()
+{
+}
+
+}
</ins></span></pre></div>
<a id="trunkSourceWebCoreplatformnetworkBlobDataFileReferenceh"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/platform/network/BlobDataFileReference.h (168477 => 168478)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/platform/network/BlobDataFileReference.h        2014-05-08 18:24:04 UTC (rev 168477)
+++ trunk/Source/WebCore/platform/network/BlobDataFileReference.h        2014-05-08 18:33:18 UTC (rev 168478)
</span><span class="lines">@@ -39,27 +39,29 @@
</span><span class="cx">         return adoptRef(new BlobDataFileReference(path));
</span><span class="cx">     }
</span><span class="cx"> 
</span><ins>+    virtual ~BlobDataFileReference();
+
+    void startTrackingModifications();
+
</ins><span class="cx">     const String&amp; path() const { return m_path; }
</span><span class="cx">     unsigned long long size() const;
</span><span class="cx">     double expectedModificationTime() const;
</span><span class="cx"> 
</span><del>-private:
</del><ins>+    virtual void prepareForFileAccess();
+    virtual void revokeFileAccess();
+
+protected:
</ins><span class="cx">     BlobDataFileReference(const String&amp; path)
</span><span class="cx">         : m_path(path)
</span><del>-        , m_fileSystemDataComputed(false)
</del><span class="cx">         , m_size(0)
</span><span class="cx">         , m_expectedModificationTime(invalidFileTime())
</span><span class="cx">     {
</span><del>-        // FIXME: Per the spec, a File object should start watching for changes as soon as it's created, so we should record m_expectedModificationTime right away.
-        // FIXME: Some platforms provide better ways to listen for file system object changes, consider using these.
</del><span class="cx">     }
</span><span class="cx"> 
</span><del>-    void computeFileSystemData() const;
-
</del><ins>+private:
</ins><span class="cx">     String m_path;
</span><del>-    mutable bool m_fileSystemDataComputed;
-    mutable unsigned long long m_size;
-    mutable double m_expectedModificationTime;
</del><ins>+    unsigned long long m_size;
+    double m_expectedModificationTime;
</ins><span class="cx"> };
</span><span class="cx"> 
</span><span class="cx"> }
</span></span></pre></div>
<a id="trunkSourceWebCoreplatformnetworkBlobRegistryh"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/platform/network/BlobRegistry.h (168477 => 168478)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/platform/network/BlobRegistry.h        2014-05-08 18:24:04 UTC (rev 168477)
+++ trunk/Source/WebCore/platform/network/BlobRegistry.h        2014-05-08 18:33:18 UTC (rev 168478)
</span><span class="lines">@@ -36,6 +36,7 @@
</span><span class="cx"> 
</span><span class="cx"> namespace WebCore {
</span><span class="cx"> 
</span><ins>+class BlobDataFileReference;
</ins><span class="cx"> class BlobPart;
</span><span class="cx"> class BlobRegistry;
</span><span class="cx"> class URL;
</span><span class="lines">@@ -47,7 +48,7 @@
</span><span class="cx"> public:
</span><span class="cx"> 
</span><span class="cx">     // Registers a blob URL referring to the specified file.
</span><del>-    virtual void registerFileBlobURL(const URL&amp;, const String&amp; path, const String&amp; contentType) = 0;
</del><ins>+    virtual void registerFileBlobURL(const URL&amp;, PassRefPtr&lt;BlobDataFileReference&gt;, const String&amp; contentType) = 0;
</ins><span class="cx"> 
</span><span class="cx">     // Registers a blob URL referring to the specified blob data.
</span><span class="cx">     virtual void registerBlobURL(const URL&amp;, Vector&lt;BlobPart&gt;, const String&amp; contentType) = 0;
</span></span></pre></div>
<a id="trunkSourceWebCoreplatformnetworkBlobRegistryImplcpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/platform/network/BlobRegistryImpl.cpp (168477 => 168478)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/platform/network/BlobRegistryImpl.cpp        2014-05-08 18:24:04 UTC (rev 168477)
+++ trunk/Source/WebCore/platform/network/BlobRegistryImpl.cpp        2014-05-08 18:33:18 UTC (rev 168478)
</span><span class="lines">@@ -116,7 +116,7 @@
</span><span class="cx">     ASSERT(!length);
</span><span class="cx"> }
</span><span class="cx"> 
</span><del>-void BlobRegistryImpl::registerFileBlobURL(const URL&amp; url, const String&amp; path, const String&amp; contentType)
</del><ins>+void BlobRegistryImpl::registerFileBlobURL(const URL&amp; url, PassRefPtr&lt;BlobDataFileReference&gt; file, const String&amp; contentType)
</ins><span class="cx"> {
</span><span class="cx">     ASSERT(isMainThread());
</span><span class="cx">     registerBlobResourceHandleConstructor();
</span><span class="lines">@@ -124,7 +124,7 @@
</span><span class="cx">     RefPtr&lt;BlobData&gt; blobData = BlobData::create();
</span><span class="cx">     blobData-&gt;setContentType(contentType);
</span><span class="cx"> 
</span><del>-    blobData-&gt;appendFile(path);
</del><ins>+    blobData-&gt;appendFile(file);
</ins><span class="cx">     m_blobs.set(url.string(), blobData.release());
</span><span class="cx"> }
</span><span class="cx"> 
</span></span></pre></div>
<a id="trunkSourceWebCoreplatformnetworkBlobRegistryImplh"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/platform/network/BlobRegistryImpl.h (168477 => 168478)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/platform/network/BlobRegistryImpl.h        2014-05-08 18:24:04 UTC (rev 168477)
+++ trunk/Source/WebCore/platform/network/BlobRegistryImpl.h        2014-05-08 18:33:18 UTC (rev 168478)
</span><span class="lines">@@ -57,7 +57,7 @@
</span><span class="cx"> private:
</span><span class="cx">     void appendStorageItems(BlobData*, const BlobDataItemList&amp;, long long offset, long long length);
</span><span class="cx"> 
</span><del>-    virtual void registerFileBlobURL(const WebCore::URL&amp;, const String&amp; path, const String&amp; contentType) override;
</del><ins>+    virtual void registerFileBlobURL(const WebCore::URL&amp;, PassRefPtr&lt;BlobDataFileReference&gt;, const String&amp; contentType) override;
</ins><span class="cx">     virtual void registerBlobURL(const URL&amp;, Vector&lt;BlobPart&gt;, const String&amp; contentType) override;
</span><span class="cx">     virtual void registerBlobURL(const URL&amp;, const URL&amp; srcURL) override;
</span><span class="cx">     virtual void registerBlobURLForSlice(const URL&amp;, const URL&amp; srcURL, long long start, long long end) override;
</span></span></pre></div>
<a id="trunkSourceWebKit2CMakeListstxt"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit2/CMakeLists.txt (168477 => 168478)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/CMakeLists.txt        2014-05-08 18:24:04 UTC (rev 168477)
+++ trunk/Source/WebKit2/CMakeLists.txt        2014-05-08 18:33:18 UTC (rev 168478)
</span><span class="lines">@@ -185,6 +185,7 @@
</span><span class="cx">     Shared/APIURLRequest.cpp
</span><span class="cx">     Shared/APIURLResponse.cpp
</span><span class="cx">     Shared/ActivityAssertion.cpp
</span><ins>+    Shared/BlobDataFileReferenceWithSandboxExtension.cpp
</ins><span class="cx">     Shared/CacheModel.cpp
</span><span class="cx">     Shared/ChildProcess.cpp
</span><span class="cx">     Shared/ChildProcessProxy.cpp
</span></span></pre></div>
<a id="trunkSourceWebKit2ChangeLog"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit2/ChangeLog (168477 => 168478)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/ChangeLog        2014-05-08 18:24:04 UTC (rev 168477)
+++ trunk/Source/WebKit2/ChangeLog        2014-05-08 18:33:18 UTC (rev 168478)
</span><span class="lines">@@ -1,3 +1,50 @@
</span><ins>+2014-05-08  Alexey Proskuryakov  &lt;ap@apple.com&gt;
+
+        Make BlobDataFileReference manage its sandbox extension
+        https://bugs.webkit.org/show_bug.cgi?id=132689
+
+        Reviewed by Anders Carlsson.
+
+        * CMakeLists.txt:
+        * PlatformGTK.cmake:
+        * WebKit2.xcodeproj/project.pbxproj:
+        Added BlobDataFileReferenceWithSandboxExtension.
+
+        * NetworkProcess/FileAPI/NetworkBlobRegistry.cpp:
+        (WebKit::NetworkBlobRegistry::registerFileBlobURL):
+        (WebKit::NetworkBlobRegistry::registerBlobURL):
+        (WebKit::NetworkBlobRegistry::registerBlobURLForSlice):
+        (WebKit::NetworkBlobRegistry::unregisterBlobURL):
+        (WebKit::NetworkBlobRegistry::connectionToWebProcessDidClose):
+        (WebKit::NetworkBlobRegistry::filesInBlob):
+        (WebKit::NetworkBlobRegistry::sandboxExtensions): Deleted.
+        * NetworkProcess/FileAPI/NetworkBlobRegistry.h:
+        We no longer track sandbox extensions here. Instead, provide a way to get files
+        for a blob, which contain extensions and can allow access to themselves.
+
+        * NetworkProcess/NetworkResourceLoader.cpp:
+        (WebKit::NetworkResourceLoader::NetworkResourceLoader):
+        (WebKit::NetworkResourceLoader::consumeSandboxExtensions):
+        (WebKit::NetworkResourceLoader::invalidateSandboxExtensions):
+        * NetworkProcess/NetworkResourceLoader.h:
+        Allow/revoke access to files in blob, just like we do for explicitly passed extensions.
+
+        * Shared/BlobDataFileReferenceWithSandboxExtension.cpp: Added.
+        (WebKit::BlobDataFileReferenceWithSandboxExtension::BlobDataFileReferenceWithSandboxExtension):
+        (WebKit::BlobDataFileReferenceWithSandboxExtension::~BlobDataFileReferenceWithSandboxExtension):
+        (WebKit::BlobDataFileReferenceWithSandboxExtension::prepareForFileAccess):
+        (WebKit::BlobDataFileReferenceWithSandboxExtension::revokeFileAccess):
+        * Shared/BlobDataFileReferenceWithSandboxExtension.h: Added.
+        (WebKit::BlobDataFileReferenceWithSandboxExtension::create):
+        A subclass of BlobDataFileReference that also contains a sandbox extension. NetworkProcess
+        always uses it in BlobRegistryImpl.
+
+        * WebProcess/FileAPI/BlobRegistryProxy.cpp: (WebKit::BlobRegistryProxy::registerFileBlobURL):
+        * WebProcess/FileAPI/BlobRegistryProxy.h:
+        Updated for BlobRegistry interface changes. BlobRegistryProxy doesn't really need
+        a BlobDataFileReference here, as it only uses a path, but it needs to implement the same interface
+        as BlobRegistryImpl.
+
</ins><span class="cx"> 2014-05-08  Brady Eidson  &lt;beidson@apple.com&gt;
</span><span class="cx"> 
</span><span class="cx">         &quot;shouldKeepCurrentBackForwardListItemInList&quot; API should pass clientInfo to the callback
</span></span></pre></div>
<a id="trunkSourceWebKit2NetworkProcessFileAPINetworkBlobRegistrycpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit2/NetworkProcess/FileAPI/NetworkBlobRegistry.cpp (168477 => 168478)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/NetworkProcess/FileAPI/NetworkBlobRegistry.cpp        2014-05-08 18:24:04 UTC (rev 168477)
+++ trunk/Source/WebKit2/NetworkProcess/FileAPI/NetworkBlobRegistry.cpp        2014-05-08 18:33:18 UTC (rev 168478)
</span><span class="lines">@@ -28,6 +28,7 @@
</span><span class="cx"> 
</span><span class="cx"> #if ENABLE(BLOB) &amp;&amp; ENABLE(NETWORK_PROCESS)
</span><span class="cx"> 
</span><ins>+#include &quot;BlobDataFileReferenceWithSandboxExtension.h&quot;
</ins><span class="cx"> #include &quot;SandboxExtension.h&quot;
</span><span class="cx"> #include &lt;WebCore/BlobPart.h&gt;
</span><span class="cx"> #include &lt;WebCore/BlobRegistryImpl.h&gt;
</span><span class="lines">@@ -51,16 +52,8 @@
</span><span class="cx"> 
</span><span class="cx"> void NetworkBlobRegistry::registerFileBlobURL(NetworkConnectionToWebProcess* connection, const URL&amp; url, const String&amp; path, PassRefPtr&lt;SandboxExtension&gt; sandboxExtension, const String&amp; contentType)
</span><span class="cx"> {
</span><del>-    ASSERT(!m_sandboxExtensions.contains(url.string()));
</del><ins>+    blobRegistry().registerFileBlobURL(url, BlobDataFileReferenceWithSandboxExtension::create(path, sandboxExtension), contentType);
</ins><span class="cx"> 
</span><del>-    blobRegistry().registerFileBlobURL(url, path, contentType);
-
-    if (sandboxExtension) {
-        Vector&lt;RefPtr&lt;SandboxExtension&gt;&gt; extensionsVector;
-        extensionsVector.append(sandboxExtension);
-        m_sandboxExtensions.add(url.string(), std::move(extensionsVector));
-    }
-
</del><span class="cx">     ASSERT(!m_blobsForConnection.get(connection).contains(url));
</span><span class="cx">     BlobForConnectionMap::iterator mapIterator = m_blobsForConnection.find(connection);
</span><span class="cx">     if (mapIterator == m_blobsForConnection.end())
</span><span class="lines">@@ -70,20 +63,8 @@
</span><span class="cx"> 
</span><span class="cx"> void NetworkBlobRegistry::registerBlobURL(NetworkConnectionToWebProcess* connection, const URL&amp; url, Vector&lt;WebCore::BlobPart&gt; blobParts, const String&amp; contentType)
</span><span class="cx"> {
</span><del>-    ASSERT(!m_sandboxExtensions.contains(url.string()));
-
-    // Combine existing extensions for inner Blob items.
-    Vector&lt;RefPtr&lt;SandboxExtension&gt;&gt; sandboxExtensions;
-    for (const BlobPart&amp; part : blobParts) {
-        if (part.type() == BlobPart::Blob)
-            sandboxExtensions.appendVector(m_sandboxExtensions.get(part.url().string()));
-    }
-
</del><span class="cx">     blobRegistry().registerBlobURL(url, std::move(blobParts), contentType);
</span><span class="cx"> 
</span><del>-    if (!sandboxExtensions.isEmpty())
-        m_sandboxExtensions.add(url.string(), std::move(sandboxExtensions));
-
</del><span class="cx">     ASSERT(!m_blobsForConnection.get(connection).contains(url));
</span><span class="cx">     BlobForConnectionMap::iterator mapIterator = m_blobsForConnection.find(connection);
</span><span class="cx">     if (mapIterator == m_blobsForConnection.end())
</span><span class="lines">@@ -94,9 +75,6 @@
</span><span class="cx"> void NetworkBlobRegistry::registerBlobURL(NetworkConnectionToWebProcess* connection, const WebCore::URL&amp; url, const WebCore::URL&amp; srcURL)
</span><span class="cx"> {
</span><span class="cx">     blobRegistry().registerBlobURL(url, srcURL);
</span><del>-    SandboxExtensionMap::iterator iter = m_sandboxExtensions.find(srcURL.string());
-    if (iter != m_sandboxExtensions.end())
-        m_sandboxExtensions.add(url.string(), iter-&gt;value);
</del><span class="cx"> 
</span><span class="cx">     ASSERT(m_blobsForConnection.contains(connection));
</span><span class="cx">     ASSERT(m_blobsForConnection.find(connection)-&gt;value.contains(srcURL));
</span><span class="lines">@@ -107,11 +85,6 @@
</span><span class="cx"> {
</span><span class="cx">     blobRegistry().registerBlobURLForSlice(url, srcURL, start, end);
</span><span class="cx"> 
</span><del>-    // FIXME: Only store extensions for files that the slice actually contains, not for all the files in original blob.
-    SandboxExtensionMap::iterator iter = m_sandboxExtensions.find(srcURL.string());
-    if (iter != m_sandboxExtensions.end())
-        m_sandboxExtensions.add(url.string(), iter-&gt;value);
-
</del><span class="cx">     ASSERT(m_blobsForConnection.contains(connection));
</span><span class="cx">     ASSERT(m_blobsForConnection.find(connection)-&gt;value.contains(srcURL));
</span><span class="cx">     m_blobsForConnection.find(connection)-&gt;value.add(url);
</span><span class="lines">@@ -120,7 +93,6 @@
</span><span class="cx"> void NetworkBlobRegistry::unregisterBlobURL(NetworkConnectionToWebProcess* connection, const WebCore::URL&amp; url)
</span><span class="cx"> {
</span><span class="cx">     blobRegistry().unregisterBlobURL(url);
</span><del>-    m_sandboxExtensions.remove(url.string());
</del><span class="cx"> 
</span><span class="cx">     ASSERT(m_blobsForConnection.contains(connection));
</span><span class="cx">     ASSERT(m_blobsForConnection.find(connection)-&gt;value.contains(url));
</span><span class="lines">@@ -141,17 +113,29 @@
</span><span class="cx">         return;
</span><span class="cx"> 
</span><span class="cx">     HashSet&lt;URL&gt;&amp; blobsForConnection = m_blobsForConnection.find(connection)-&gt;value;
</span><del>-    for (HashSet&lt;URL&gt;::iterator iter = blobsForConnection.begin(), end = blobsForConnection.end(); iter != end; ++iter) {
</del><ins>+    for (HashSet&lt;URL&gt;::iterator iter = blobsForConnection.begin(), end = blobsForConnection.end(); iter != end; ++iter)
</ins><span class="cx">         blobRegistry().unregisterBlobURL(*iter);
</span><del>-        m_sandboxExtensions.remove(*iter);
-    }
</del><span class="cx"> 
</span><span class="cx">     m_blobsForConnection.remove(connection);
</span><span class="cx"> }
</span><span class="cx"> 
</span><del>-const Vector&lt;RefPtr&lt;SandboxExtension&gt;&gt; NetworkBlobRegistry::sandboxExtensions(const WebCore::URL&amp; url)
</del><ins>+Vector&lt;RefPtr&lt;BlobDataFileReference&gt;&gt; NetworkBlobRegistry::filesInBlob(NetworkConnectionToWebProcess* connection, const WebCore::URL&amp; url)
</ins><span class="cx"> {
</span><del>-    return m_sandboxExtensions.get(url.string());
</del><ins>+    if (!m_blobsForConnection.contains(connection) || !m_blobsForConnection.find(connection)-&gt;value.contains(url))
+        return Vector&lt;RefPtr&lt;BlobDataFileReference&gt;&gt;();
+
+    ASSERT(blobRegistry().isBlobRegistryImpl());
+    BlobData* blobData = static_cast&lt;BlobRegistryImpl&amp;&gt;(blobRegistry()).getBlobDataFromURL(url);
+    if (!blobData)
+        return Vector&lt;RefPtr&lt;BlobDataFileReference&gt;&gt;();
+
+    Vector&lt;RefPtr&lt;BlobDataFileReference&gt;&gt; result;
+    for (const BlobDataItem&amp; item : blobData-&gt;items()) {
+        if (item.type == BlobDataItem::File)
+            result.append(item.file);
+    }
+
+    return result;
</ins><span class="cx"> }
</span><span class="cx"> 
</span><span class="cx"> }
</span></span></pre></div>
<a id="trunkSourceWebKit2NetworkProcessFileAPINetworkBlobRegistryh"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit2/NetworkProcess/FileAPI/NetworkBlobRegistry.h (168477 => 168478)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/NetworkProcess/FileAPI/NetworkBlobRegistry.h        2014-05-08 18:24:04 UTC (rev 168477)
+++ trunk/Source/WebKit2/NetworkProcess/FileAPI/NetworkBlobRegistry.h        2014-05-08 18:33:18 UTC (rev 168478)
</span><span class="lines">@@ -33,6 +33,7 @@
</span><span class="cx"> #include &lt;wtf/HashSet.h&gt;
</span><span class="cx"> 
</span><span class="cx"> namespace WebCore {
</span><ins>+class BlobDataFileReference;
</ins><span class="cx"> class BlobPart;
</span><span class="cx"> }
</span><span class="cx"> 
</span><span class="lines">@@ -56,14 +57,11 @@
</span><span class="cx"> 
</span><span class="cx">     void connectionToWebProcessDidClose(NetworkConnectionToWebProcess*);
</span><span class="cx"> 
</span><del>-    const Vector&lt;RefPtr&lt;SandboxExtension&gt;&gt; sandboxExtensions(const WebCore::URL&amp;);
</del><ins>+    Vector&lt;RefPtr&lt;WebCore::BlobDataFileReference&gt;&gt; filesInBlob(NetworkConnectionToWebProcess*, const WebCore::URL&amp;);
</ins><span class="cx"> 
</span><span class="cx"> private:
</span><span class="cx">     ~NetworkBlobRegistry();
</span><span class="cx"> 
</span><del>-    typedef HashMap&lt;String, Vector&lt;RefPtr&lt;SandboxExtension&gt;&gt;&gt; SandboxExtensionMap;
-    SandboxExtensionMap m_sandboxExtensions;
-
</del><span class="cx">     typedef HashMap&lt;NetworkConnectionToWebProcess*, HashSet&lt;WebCore::URL&gt;&gt; BlobForConnectionMap;
</span><span class="cx">     BlobForConnectionMap m_blobsForConnection;
</span><span class="cx"> };
</span></span></pre></div>
<a id="trunkSourceWebKit2NetworkProcessNetworkResourceLoadercpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit2/NetworkProcess/NetworkResourceLoader.cpp (168477 => 168478)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/NetworkProcess/NetworkResourceLoader.cpp        2014-05-08 18:24:04 UTC (rev 168477)
+++ trunk/Source/WebKit2/NetworkProcess/NetworkResourceLoader.cpp        2014-05-08 18:33:18 UTC (rev 168478)
</span><span class="lines">@@ -44,6 +44,7 @@
</span><span class="cx"> #include &quot;WebCoreArgumentCoders.h&quot;
</span><span class="cx"> #include &quot;WebErrors.h&quot;
</span><span class="cx"> #include &quot;WebResourceLoaderMessages.h&quot;
</span><ins>+#include &lt;WebCore/BlobDataFileReference.h&gt;
</ins><span class="cx"> #include &lt;WebCore/NotImplemented.h&gt;
</span><span class="cx"> #include &lt;WebCore/ResourceBuffer.h&gt;
</span><span class="cx"> #include &lt;WebCore/ResourceHandle.h&gt;
</span><span class="lines">@@ -83,18 +84,15 @@
</span><span class="cx"> 
</span><span class="cx"> #if ENABLE(BLOB)
</span><span class="cx">     if (m_request.httpBody()) {
</span><del>-        const Vector&lt;FormDataElement&gt;&amp; elements = m_request.httpBody()-&gt;elements();
-        for (size_t i = 0, count = elements.size(); i &lt; count; ++i) {
-            if (elements[i].m_type == FormDataElement::Type::EncodedBlob) {
-                Vector&lt;RefPtr&lt;SandboxExtension&gt;&gt; blobElementExtensions = NetworkBlobRegistry::shared().sandboxExtensions(elements[i].m_url);
-                m_requestBodySandboxExtensions.appendVector(blobElementExtensions);
-            }
</del><ins>+        for (const FormDataElement&amp; element : m_request.httpBody()-&gt;elements()) {
+            if (element.m_type == FormDataElement::Type::EncodedBlob)
+                m_fileReferences.appendVector(NetworkBlobRegistry::shared().filesInBlob(connection, element.m_url));
</ins><span class="cx">         }
</span><span class="cx">     }
</span><span class="cx"> 
</span><span class="cx">     if (m_request.url().protocolIs(&quot;blob&quot;)) {
</span><span class="cx">         ASSERT(!SandboxExtension::create(parameters.resourceSandboxExtension));
</span><del>-        m_resourceSandboxExtensions = NetworkBlobRegistry::shared().sandboxExtensions(m_request.url());
</del><ins>+        m_fileReferences.appendVector(NetworkBlobRegistry::shared().filesInBlob(connection, m_request.url()));
</ins><span class="cx">     } else
</span><span class="cx"> #endif
</span><span class="cx">     if (RefPtr&lt;SandboxExtension&gt; resourceSandboxExtension = SandboxExtension::create(parameters.resourceSandboxExtension))
</span><span class="lines">@@ -355,26 +353,32 @@
</span><span class="cx"> 
</span><span class="cx"> void NetworkResourceLoader::consumeSandboxExtensions()
</span><span class="cx"> {
</span><del>-    for (size_t i = 0, count = m_requestBodySandboxExtensions.size(); i &lt; count; ++i)
-        m_requestBodySandboxExtensions[i]-&gt;consume();
</del><ins>+    for (RefPtr&lt;SandboxExtension&gt;&amp; extension : m_requestBodySandboxExtensions)
+        extension-&gt;consume();
</ins><span class="cx"> 
</span><del>-    for (size_t i = 0, count = m_resourceSandboxExtensions.size(); i &lt; count; ++i)
-        m_resourceSandboxExtensions[i]-&gt;consume();
</del><ins>+    for (RefPtr&lt;SandboxExtension&gt;&amp; extension : m_resourceSandboxExtensions)
+        extension-&gt;consume();
</ins><span class="cx"> 
</span><ins>+    for (RefPtr&lt;BlobDataFileReference&gt;&amp; fileReference : m_fileReferences)
+        fileReference-&gt;prepareForFileAccess();
+
</ins><span class="cx">     m_sandboxExtensionsAreConsumed = true;
</span><span class="cx"> }
</span><span class="cx"> 
</span><span class="cx"> void NetworkResourceLoader::invalidateSandboxExtensions()
</span><span class="cx"> {
</span><span class="cx">     if (m_sandboxExtensionsAreConsumed) {
</span><del>-        for (size_t i = 0, count = m_requestBodySandboxExtensions.size(); i &lt; count; ++i)
-            m_requestBodySandboxExtensions[i]-&gt;revoke();
-        for (size_t i = 0, count = m_resourceSandboxExtensions.size(); i &lt; count; ++i)
-            m_resourceSandboxExtensions[i]-&gt;revoke();
</del><ins>+        for (RefPtr&lt;SandboxExtension&gt;&amp; extension : m_requestBodySandboxExtensions)
+            extension-&gt;revoke();
+        for (RefPtr&lt;SandboxExtension&gt;&amp; extension : m_resourceSandboxExtensions)
+            extension-&gt;revoke();
+        for (RefPtr&lt;BlobDataFileReference&gt;&amp; fileReference : m_fileReferences)
+            fileReference-&gt;revokeFileAccess();
</ins><span class="cx">     }
</span><span class="cx"> 
</span><span class="cx">     m_requestBodySandboxExtensions.clear();
</span><span class="cx">     m_resourceSandboxExtensions.clear();
</span><ins>+    m_fileReferences.clear();
</ins><span class="cx"> 
</span><span class="cx">     m_sandboxExtensionsAreConsumed = false;
</span><span class="cx"> }
</span></span></pre></div>
<a id="trunkSourceWebKit2NetworkProcessNetworkResourceLoaderh"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit2/NetworkProcess/NetworkResourceLoader.h (168477 => 168478)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/NetworkProcess/NetworkResourceLoader.h        2014-05-08 18:24:04 UTC (rev 168477)
+++ trunk/Source/WebKit2/NetworkProcess/NetworkResourceLoader.h        2014-05-08 18:33:18 UTC (rev 168478)
</span><span class="lines">@@ -42,6 +42,7 @@
</span><span class="cx"> typedef const struct _CFCachedURLResponse* CFCachedURLResponseRef;
</span><span class="cx"> 
</span><span class="cx"> namespace WebCore {
</span><ins>+class BlobDataFileReference;
</ins><span class="cx"> class ResourceBuffer;
</span><span class="cx"> class ResourceHandle;
</span><span class="cx"> class ResourceRequest;
</span><span class="lines">@@ -189,6 +190,7 @@
</span><span class="cx"> 
</span><span class="cx">     Vector&lt;RefPtr&lt;SandboxExtension&gt;&gt; m_requestBodySandboxExtensions;
</span><span class="cx">     Vector&lt;RefPtr&lt;SandboxExtension&gt;&gt; m_resourceSandboxExtensions;
</span><ins>+    Vector&lt;RefPtr&lt;WebCore::BlobDataFileReference&gt;&gt; m_fileReferences;
</ins><span class="cx">     bool m_sandboxExtensionsAreConsumed;
</span><span class="cx"> 
</span><span class="cx">     RefPtr&lt;NetworkConnectionToWebProcess&gt; m_connection;
</span></span></pre></div>
<a id="trunkSourceWebKit2PlatformGTKcmake"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit2/PlatformGTK.cmake (168477 => 168478)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/PlatformGTK.cmake        2014-05-08 18:24:04 UTC (rev 168477)
+++ trunk/Source/WebKit2/PlatformGTK.cmake        2014-05-08 18:33:18 UTC (rev 168478)
</span><span class="lines">@@ -563,6 +563,7 @@
</span><span class="cx">         PluginProcess/unix/PluginProcessUnix.cpp
</span><span class="cx"> 
</span><span class="cx">         Shared/ActivityAssertion.cpp
</span><ins>+        Shared/BlobDataFileReferenceWithSandboxExtension.cpp
</ins><span class="cx">         Shared/ChildProcess.cpp
</span><span class="cx">         Shared/ChildProcessProxy.cpp
</span><span class="cx">         Shared/ConnectionStack.cpp
</span></span></pre></div>
<a id="trunkSourceWebKit2SharedBlobDataFileReferenceWithSandboxExtensioncpp"></a>
<div class="addfile"><h4>Added: trunk/Source/WebKit2/Shared/BlobDataFileReferenceWithSandboxExtension.cpp (0 => 168478)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/Shared/BlobDataFileReferenceWithSandboxExtension.cpp                                (rev 0)
+++ trunk/Source/WebKit2/Shared/BlobDataFileReferenceWithSandboxExtension.cpp        2014-05-08 18:33:18 UTC (rev 168478)
</span><span class="lines">@@ -0,0 +1,53 @@
</span><ins>+/*
+ * Copyright (C) 2014 Apple Inc. All rights reserved.
+ *
+ * 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.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
+ * THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include &quot;config.h&quot;
+#include &quot;BlobDataFileReferenceWithSandboxExtension.h&quot;
+
+#include &quot;SandboxExtension.h&quot;
+
+namespace WebKit {
+
+BlobDataFileReferenceWithSandboxExtension::BlobDataFileReferenceWithSandboxExtension(const String&amp; path, PassRefPtr&lt;SandboxExtension&gt; sandboxExtension)
+    : BlobDataFileReference(path)
+    , m_sandboxExtension(sandboxExtension)
+{
+}
+
+BlobDataFileReferenceWithSandboxExtension::~BlobDataFileReferenceWithSandboxExtension()
+{
+}
+
+void BlobDataFileReferenceWithSandboxExtension::prepareForFileAccess()
+{
+    m_sandboxExtension-&gt;consume();
+}
+
+void BlobDataFileReferenceWithSandboxExtension::revokeFileAccess()
+{
+    m_sandboxExtension-&gt;revoke();
+}
+
+}
</ins><span class="cx">Property changes on: trunk/Source/WebKit2/Shared/BlobDataFileReferenceWithSandboxExtension.cpp
</span><span class="cx">___________________________________________________________________
</span></span></pre></div>
<a id="svneolstyle"></a>
<div class="addfile"><h4>Added: svn:eol-style</h4></div>
<a id="trunkSourceWebKit2SharedBlobDataFileReferenceWithSandboxExtensionh"></a>
<div class="addfile"><h4>Added: trunk/Source/WebKit2/Shared/BlobDataFileReferenceWithSandboxExtension.h (0 => 168478)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/Shared/BlobDataFileReferenceWithSandboxExtension.h                                (rev 0)
+++ trunk/Source/WebKit2/Shared/BlobDataFileReferenceWithSandboxExtension.h        2014-05-08 18:33:18 UTC (rev 168478)
</span><span class="lines">@@ -0,0 +1,54 @@
</span><ins>+/*
+ * Copyright (C) 2014 Apple Inc. All rights reserved.
+ *
+ * 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.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
+ * THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef BlobDataFileReferenceWithSandboxExtension_h
+#define BlobDataFileReferenceWithSandboxExtension_h
+
+#include &lt;WebCore/BlobDataFileReference.h&gt;
+
+namespace WebKit {
+
+class SandboxExtension;
+
+class BlobDataFileReferenceWithSandboxExtension : public WebCore::BlobDataFileReference {
+public:
+    static PassRefPtr&lt;BlobDataFileReference&gt; create(const String&amp; path, PassRefPtr&lt;SandboxExtension&gt; sandboxExtension)
+    {
+        return adoptRef(new BlobDataFileReferenceWithSandboxExtension(path, sandboxExtension));
+    }
+
+private:
+    BlobDataFileReferenceWithSandboxExtension(const String&amp; path, PassRefPtr&lt;SandboxExtension&gt;);
+    virtual ~BlobDataFileReferenceWithSandboxExtension();
+
+    virtual void prepareForFileAccess() override;
+    virtual void revokeFileAccess() override;
+
+    RefPtr&lt;SandboxExtension&gt; m_sandboxExtension;
+};
+
+}
+
+#endif // BlobDataFileReferenceWithSandboxExtension_h
</ins><span class="cx">Property changes on: trunk/Source/WebKit2/Shared/BlobDataFileReferenceWithSandboxExtension.h
</span><span class="cx">___________________________________________________________________
</span></span></pre></div>
<a id="svneolstyle"></a>
<div class="addfile"><h4>Added: svn:eol-style</h4></div>
<a id="trunkSourceWebKit2WebKit2xcodeprojprojectpbxproj"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit2/WebKit2.xcodeproj/project.pbxproj (168477 => 168478)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/WebKit2.xcodeproj/project.pbxproj        2014-05-08 18:24:04 UTC (rev 168477)
+++ trunk/Source/WebKit2/WebKit2.xcodeproj/project.pbxproj        2014-05-08 18:33:18 UTC (rev 168478)
</span><span class="lines">@@ -1528,6 +1528,8 @@
</span><span class="cx">                 E1513C67166EABB200149FCB /* ChildProcessProxy.h in Headers */ = {isa = PBXBuildFile; fileRef = E1513C65166EABB200149FCB /* ChildProcessProxy.h */; };
</span><span class="cx">                 E152551A17011819003D7ADB /* NetworkResourceLoaderMessageReceiver.cpp in Sources */ = {isa = PBXBuildFile; fileRef = E152551817011819003D7ADB /* NetworkResourceLoaderMessageReceiver.cpp */; };
</span><span class="cx">                 E152551B17011819003D7ADB /* NetworkResourceLoaderMessages.h in Headers */ = {isa = PBXBuildFile; fileRef = E152551917011819003D7ADB /* NetworkResourceLoaderMessages.h */; };
</span><ins>+                E164A2F1191AF14E0010737D /* BlobDataFileReferenceWithSandboxExtension.cpp in Sources */ = {isa = PBXBuildFile; fileRef = E164A2EF191AF14E0010737D /* BlobDataFileReferenceWithSandboxExtension.cpp */; };
+                E164A2F2191AF14E0010737D /* BlobDataFileReferenceWithSandboxExtension.h in Headers */ = {isa = PBXBuildFile; fileRef = E164A2F0191AF14E0010737D /* BlobDataFileReferenceWithSandboxExtension.h */; };
</ins><span class="cx">                 E170876B16D6CA6900F99226 /* BlobRegistryProxy.cpp in Sources */ = {isa = PBXBuildFile; fileRef = E170876916D6CA6900F99226 /* BlobRegistryProxy.cpp */; };
</span><span class="cx">                 E170876C16D6CA6900F99226 /* BlobRegistryProxy.h in Headers */ = {isa = PBXBuildFile; fileRef = E170876A16D6CA6900F99226 /* BlobRegistryProxy.h */; };
</span><span class="cx">                 E179088D169BAA62006904C7 /* SecItemShim.cpp in Sources */ = {isa = PBXBuildFile; fileRef = E18E6947169B77C8009B6670 /* SecItemShim.cpp */; };
</span><span class="lines">@@ -3452,6 +3454,8 @@
</span><span class="cx">                 E1525517170109FB003D7ADB /* NetworkResourceLoader.messages.in */ = {isa = PBXFileReference; lastKnownFileType = text; name = NetworkResourceLoader.messages.in; path = NetworkProcess/NetworkResourceLoader.messages.in; sourceTree = &quot;&lt;group&gt;&quot;; };
</span><span class="cx">                 E152551817011819003D7ADB /* NetworkResourceLoaderMessageReceiver.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = NetworkResourceLoaderMessageReceiver.cpp; sourceTree = &quot;&lt;group&gt;&quot;; };
</span><span class="cx">                 E152551917011819003D7ADB /* NetworkResourceLoaderMessages.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = NetworkResourceLoaderMessages.h; sourceTree = &quot;&lt;group&gt;&quot;; };
</span><ins>+                E164A2EF191AF14E0010737D /* BlobDataFileReferenceWithSandboxExtension.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = BlobDataFileReferenceWithSandboxExtension.cpp; sourceTree = &quot;&lt;group&gt;&quot;; };
+                E164A2F0191AF14E0010737D /* BlobDataFileReferenceWithSandboxExtension.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = BlobDataFileReferenceWithSandboxExtension.h; sourceTree = &quot;&lt;group&gt;&quot;; };
</ins><span class="cx">                 E170876916D6CA6900F99226 /* BlobRegistryProxy.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; name = BlobRegistryProxy.cpp; path = WebProcess/FileAPI/BlobRegistryProxy.cpp; sourceTree = &quot;&lt;group&gt;&quot;; };
</span><span class="cx">                 E170876A16D6CA6900F99226 /* BlobRegistryProxy.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = BlobRegistryProxy.h; path = WebProcess/FileAPI/BlobRegistryProxy.h; sourceTree = &quot;&lt;group&gt;&quot;; };
</span><span class="cx">                 E1798C7716E6818800240139 /* NetworkBlobRegistry.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; name = NetworkBlobRegistry.cpp; path = NetworkProcess/FileAPI/NetworkBlobRegistry.cpp; sourceTree = &quot;&lt;group&gt;&quot;; };
</span><span class="lines">@@ -4104,6 +4108,8 @@
</span><span class="cx">                                 515E7725183DD6F60007203F /* AsyncRequest.cpp */,
</span><span class="cx">                                 515E7726183DD6F60007203F /* AsyncRequest.h */,
</span><span class="cx">                                 51BA24431858EE3000EA2811 /* AsyncTask.h */,
</span><ins>+                                E164A2EF191AF14E0010737D /* BlobDataFileReferenceWithSandboxExtension.cpp */,
+                                E164A2F0191AF14E0010737D /* BlobDataFileReferenceWithSandboxExtension.h */,
</ins><span class="cx">                                 4F601430155C5A32001FBDE0 /* BlockingResponseMap.h */,
</span><span class="cx">                                 BCF18637167D071E00A1A85A /* CacheModel.cpp */,
</span><span class="cx">                                 BC3065F91259344E00E71278 /* CacheModel.h */,
</span><span class="lines">@@ -6789,6 +6795,7 @@
</span><span class="cx">                                 1ADCB86B189831B30022EE5A /* NavigationActionData.h in Headers */,
</span><span class="cx">                                 935EEBA2127761D0003322B8 /* InjectedBundleBackForwardList.h in Headers */,
</span><span class="cx">                                 935EEBA4127761D6003322B8 /* InjectedBundleBackForwardListItem.h in Headers */,
</span><ins>+                                E164A2F2191AF14E0010737D /* BlobDataFileReferenceWithSandboxExtension.h in Headers */,
</ins><span class="cx">                                 1A6637D718B2831F00C0BCF3 /* APIHistoryClient.h in Headers */,
</span><span class="cx">                                 BCEE7DC5128B645D009827DA /* InjectedBundleClient.h in Headers */,
</span><span class="cx">                                 BC498618124D10E200D834E1 /* InjectedBundleHitTestResult.h in Headers */,
</span><span class="lines">@@ -8582,6 +8589,7 @@
</span><span class="cx">                                 33D3A3C81339617900709BE4 /* WebMediaCacheManagerMessageReceiver.cpp in Sources */,
</span><span class="cx">                                 33D3A3BA1339606200709BE4 /* WebMediaCacheManagerProxy.cpp in Sources */,
</span><span class="cx">                                 33D3A3CA1339617900709BE4 /* WebMediaCacheManagerProxyMessageReceiver.cpp in Sources */,
</span><ins>+                                E164A2F1191AF14E0010737D /* BlobDataFileReferenceWithSandboxExtension.cpp in Sources */,
</ins><span class="cx">                                 0FCB4E4D18BBE044000FCFC9 /* WKContentView.mm in Sources */,
</span><span class="cx">                                 519EF59218EF80CE0003B7F4 /* TelephoneNumberOverlayController.cpp in Sources */,
</span><span class="cx">                                 909854EC12BC4E17000AD080 /* WebMemorySampler.cpp in Sources */,
</span></span></pre></div>
<a id="trunkSourceWebKit2WebProcessFileAPIBlobRegistryProxycpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit2/WebProcess/FileAPI/BlobRegistryProxy.cpp (168477 => 168478)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/WebProcess/FileAPI/BlobRegistryProxy.cpp        2014-05-08 18:24:04 UTC (rev 168477)
+++ trunk/Source/WebKit2/WebProcess/FileAPI/BlobRegistryProxy.cpp        2014-05-08 18:33:18 UTC (rev 168478)
</span><span class="lines">@@ -32,22 +32,23 @@
</span><span class="cx"> #include &quot;NetworkProcessConnection.h&quot;
</span><span class="cx"> #include &quot;WebCoreArgumentCoders.h&quot;
</span><span class="cx"> #include &quot;WebProcess.h&quot;
</span><ins>+#include &lt;WebCore/BlobDataFileReference.h&gt;
</ins><span class="cx"> 
</span><span class="cx"> using namespace WebCore;
</span><span class="cx"> 
</span><span class="cx"> namespace WebKit {
</span><span class="cx"> 
</span><del>-void BlobRegistryProxy::registerFileBlobURL(const WebCore::URL&amp; url, const String&amp; path, const String&amp; contentType)
</del><ins>+void BlobRegistryProxy::registerFileBlobURL(const WebCore::URL&amp; url, PassRefPtr&lt;BlobDataFileReference&gt; file, const String&amp; contentType)
</ins><span class="cx"> {
</span><span class="cx">     ASSERT(WebProcess::shared().usesNetworkProcess());
</span><span class="cx"> 
</span><span class="cx">     SandboxExtension::Handle extensionHandle;
</span><span class="cx"> 
</span><span class="cx">     // File path can be empty when submitting a form file input without a file, see bug 111778.
</span><del>-    if (!path.isEmpty())
-        SandboxExtension::createHandle(path, SandboxExtension::ReadOnly, extensionHandle);
</del><ins>+    if (!file-&gt;path().isEmpty())
+        SandboxExtension::createHandle(file-&gt;path(), SandboxExtension::ReadOnly, extensionHandle);
</ins><span class="cx"> 
</span><del>-    WebProcess::shared().networkConnection()-&gt;connection()-&gt;send(Messages::NetworkConnectionToWebProcess::RegisterFileBlobURL(url, path, extensionHandle, contentType), 0);
</del><ins>+    WebProcess::shared().networkConnection()-&gt;connection()-&gt;send(Messages::NetworkConnectionToWebProcess::RegisterFileBlobURL(url, file-&gt;path(), extensionHandle, contentType), 0);
</ins><span class="cx"> }
</span><span class="cx"> 
</span><span class="cx"> void BlobRegistryProxy::registerBlobURL(const URL&amp; url, Vector&lt;BlobPart&gt; blobParts, const String&amp; contentType)
</span></span></pre></div>
<a id="trunkSourceWebKit2WebProcessFileAPIBlobRegistryProxyh"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit2/WebProcess/FileAPI/BlobRegistryProxy.h (168477 => 168478)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/WebProcess/FileAPI/BlobRegistryProxy.h        2014-05-08 18:24:04 UTC (rev 168477)
+++ trunk/Source/WebKit2/WebProcess/FileAPI/BlobRegistryProxy.h        2014-05-08 18:33:18 UTC (rev 168478)
</span><span class="lines">@@ -34,7 +34,7 @@
</span><span class="cx"> 
</span><span class="cx"> class BlobRegistryProxy final : public WebCore::BlobRegistry {
</span><span class="cx"> public:
</span><del>-    virtual void registerFileBlobURL(const WebCore::URL&amp;, const String&amp; path, const String&amp; contentType) override;
</del><ins>+    virtual void registerFileBlobURL(const WebCore::URL&amp;, PassRefPtr&lt;WebCore::BlobDataFileReference&gt;, const String&amp; contentType) override;
</ins><span class="cx">     virtual void registerBlobURL(const WebCore::URL&amp;, Vector&lt;WebCore::BlobPart&gt;, const String&amp; contentType) override;
</span><span class="cx">     virtual void registerBlobURL(const WebCore::URL&amp;, const WebCore::URL&amp; srcURL) override;
</span><span class="cx">     virtual void unregisterBlobURL(const WebCore::URL&amp;) override;
</span></span></pre>
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