1/* 2 * Copyright (C) 2012, Google 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 are met: 6 * 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'' AND 14 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 16 * ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE 17 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 18 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 19 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER 20 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 21 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 22 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH 23 * DAMAGE. 24 */ 25 26#include "config.h" 27#include "DOMWindowFileSystem.h" 28 29#if ENABLE(FILE_SYSTEM) 30 31#include "AsyncFileSystem.h" 32#include "DOMFileSystem.h" 33#include "DOMWindow.h" 34#include "Document.h" 35#include "EntryCallback.h" 36#include "ErrorCallback.h" 37#include "FileError.h" 38#include "FileSystemCallback.h" 39#include "FileSystemCallbacks.h" 40#include "FileSystemType.h" 41#include "LocalFileSystem.h" 42#include "SecurityOrigin.h" 43 44namespace WebCore { 45 46DOMWindowFileSystem::DOMWindowFileSystem() 47{ 48} 49 50DOMWindowFileSystem::~DOMWindowFileSystem() 51{ 52} 53 54void DOMWindowFileSystem::webkitRequestFileSystem(DOMWindow* window, int type, long long size, PassRefPtr<FileSystemCallback> successCallback, PassRefPtr<ErrorCallback> errorCallback) 55{ 56 if (!window->isCurrentlyDisplayedInFrame()) 57 return; 58 59 Document* document = window->document(); 60 if (!document) 61 return; 62 63 if (!AsyncFileSystem::isAvailable() || !document->securityOrigin()->canAccessFileSystem()) { 64 DOMFileSystem::scheduleCallback(document, errorCallback, FileError::create(FileError::SECURITY_ERR)); 65 return; 66 } 67 68 FileSystemType fileSystemType = static_cast<FileSystemType>(type); 69 if (!DOMFileSystemBase::isValidType(fileSystemType)) { 70 DOMFileSystem::scheduleCallback(document, errorCallback, FileError::create(FileError::INVALID_MODIFICATION_ERR)); 71 return; 72 } 73 74 LocalFileSystem::localFileSystem().requestFileSystem(document, fileSystemType, size, FileSystemCallbacks::create(successCallback, errorCallback, document, fileSystemType), AsynchronousFileSystem); 75} 76 77void DOMWindowFileSystem::webkitResolveLocalFileSystemURL(DOMWindow* window, const String& url, PassRefPtr<EntryCallback> successCallback, PassRefPtr<ErrorCallback> errorCallback) 78{ 79 if (!window->isCurrentlyDisplayedInFrame()) 80 return; 81 82 Document* document = window->document(); 83 if (!document) 84 return; 85 86 SecurityOrigin* securityOrigin = document->securityOrigin(); 87 KURL completedURL = document->completeURL(url); 88 if (!AsyncFileSystem::isAvailable() || !securityOrigin->canAccessFileSystem() || !securityOrigin->canRequest(completedURL)) { 89 DOMFileSystem::scheduleCallback(document, errorCallback, FileError::create(FileError::SECURITY_ERR)); 90 return; 91 } 92 93 FileSystemType type; 94 String filePath; 95 if (!completedURL.isValid() || !DOMFileSystemBase::crackFileSystemURL(completedURL, type, filePath)) { 96 DOMFileSystem::scheduleCallback(document, errorCallback, FileError::create(FileError::ENCODING_ERR)); 97 return; 98 } 99 100 LocalFileSystem::localFileSystem().readFileSystem(document, type, ResolveURICallbacks::create(successCallback, errorCallback, document, type, filePath)); 101} 102 103COMPILE_ASSERT(static_cast<int>(DOMWindowFileSystem::TEMPORARY) == static_cast<int>(FileSystemTypeTemporary), enum_mismatch); 104COMPILE_ASSERT(static_cast<int>(DOMWindowFileSystem::PERSISTENT) == static_cast<int>(FileSystemTypePersistent), enum_mismatch); 105 106} // namespace WebCore 107 108#endif // ENABLE(FILE_SYSTEM) 109