1/* 2 * Copyright (C) 2013 Apple Inc. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * 2. Redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution. 12 * 13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' 14 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 15 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS 17 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 18 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 19 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 20 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 21 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 22 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 23 * THE POSSIBILITY OF SUCH DAMAGE. 24 */ 25 26#include "config.h" 27#include "NetworkBlobRegistry.h" 28 29#if ENABLE(BLOB) && ENABLE(NETWORK_PROCESS) 30 31#include "SandboxExtension.h" 32#include <WebCore/BlobRegistryImpl.h> 33#include <wtf/MainThread.h> 34 35using namespace WebCore; 36 37namespace WebKit { 38 39NetworkBlobRegistry& NetworkBlobRegistry::shared() 40{ 41 ASSERT(isMainThread()); 42 DEFINE_STATIC_LOCAL(NetworkBlobRegistry, registry, ()); 43 return registry; 44} 45 46NetworkBlobRegistry::NetworkBlobRegistry() 47{ 48} 49 50void NetworkBlobRegistry::registerBlobURL(NetworkConnectionToWebProcess* connection, const KURL& url, PassOwnPtr<BlobData> data, const Vector<RefPtr<SandboxExtension>>& newSandboxExtensions) 51{ 52 ASSERT(!m_sandboxExtensions.contains(url.string())); 53 54 // Combine new extensions for File items and existing extensions for inner Blob items. 55 Vector<RefPtr<SandboxExtension>> sandboxExtensions = newSandboxExtensions; 56 const BlobDataItemList& items = data->items(); 57 for (size_t i = 0, count = items.size(); i < count; ++i) { 58 if (items[i].type == BlobDataItem::Blob) 59 sandboxExtensions.appendVector(m_sandboxExtensions.get(items[i].url.string())); 60 } 61 62 blobRegistry().registerBlobURL(url, data); 63 64 if (!sandboxExtensions.isEmpty()) 65 m_sandboxExtensions.add(url.string(), sandboxExtensions); 66 67 ASSERT(!m_blobsForConnection.get(connection).contains(url)); 68 BlobForConnectionMap::iterator mapIterator = m_blobsForConnection.find(connection); 69 if (mapIterator == m_blobsForConnection.end()) 70 mapIterator = m_blobsForConnection.add(connection, HashSet<KURL>()).iterator; 71 mapIterator->value.add(url); 72} 73 74void NetworkBlobRegistry::registerBlobURL(NetworkConnectionToWebProcess* connection, const WebCore::KURL& url, const WebCore::KURL& srcURL) 75{ 76 blobRegistry().registerBlobURL(url, srcURL); 77 SandboxExtensionMap::iterator iter = m_sandboxExtensions.find(srcURL.string()); 78 if (iter != m_sandboxExtensions.end()) 79 m_sandboxExtensions.add(url.string(), iter->value); 80 81 ASSERT(m_blobsForConnection.contains(connection)); 82 ASSERT(m_blobsForConnection.find(connection)->value.contains(srcURL)); 83 m_blobsForConnection.find(connection)->value.add(url); 84} 85 86void NetworkBlobRegistry::unregisterBlobURL(NetworkConnectionToWebProcess* connection, const WebCore::KURL& url) 87{ 88 blobRegistry().unregisterBlobURL(url); 89 m_sandboxExtensions.remove(url.string()); 90 91 ASSERT(m_blobsForConnection.contains(connection)); 92 ASSERT(m_blobsForConnection.find(connection)->value.contains(url)); 93 m_blobsForConnection.find(connection)->value.remove(url); 94} 95 96void NetworkBlobRegistry::connectionToWebProcessDidClose(NetworkConnectionToWebProcess* connection) 97{ 98 if (!m_blobsForConnection.contains(connection)) 99 return; 100 101 HashSet<KURL>& blobsForConnection = m_blobsForConnection.find(connection)->value; 102 for (HashSet<KURL>::iterator iter = blobsForConnection.begin(), end = blobsForConnection.end(); iter != end; ++iter) { 103 blobRegistry().unregisterBlobURL(*iter); 104 m_sandboxExtensions.remove(*iter); 105 } 106 107 m_blobsForConnection.remove(connection); 108} 109 110const Vector<RefPtr<SandboxExtension>> NetworkBlobRegistry::sandboxExtensions(const WebCore::KURL& url) 111{ 112 return m_sandboxExtensions.get(url.string()); 113} 114 115} 116 117#endif 118