1/* 2 * Copyright (C) 2008 Apple Inc. All Rights Reserved. 3 * Copyright (C) 2009, 2011 Google Inc. All Rights Reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY 15 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 17 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR 18 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 19 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 20 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 21 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY 22 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 24 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25 * 26 */ 27 28#include "config.h" 29#include "modules/filesystem/WorkerGlobalScopeFileSystem.h" 30 31#include "bindings/core/v8/ExceptionState.h" 32#include "core/dom/ExceptionCode.h" 33#include "core/fileapi/FileError.h" 34#include "core/workers/WorkerGlobalScope.h" 35#include "modules/filesystem/DOMFileSystemBase.h" 36#include "modules/filesystem/DirectoryEntrySync.h" 37#include "modules/filesystem/ErrorCallback.h" 38#include "modules/filesystem/FileEntrySync.h" 39#include "modules/filesystem/FileSystemCallback.h" 40#include "modules/filesystem/FileSystemCallbacks.h" 41#include "modules/filesystem/LocalFileSystem.h" 42#include "modules/filesystem/SyncCallbackHelper.h" 43#include "platform/FileSystemType.h" 44#include "platform/weborigin/SecurityOrigin.h" 45 46namespace blink { 47 48void WorkerGlobalScopeFileSystem::webkitRequestFileSystem(WorkerGlobalScope& worker, int type, long long size, FileSystemCallback* successCallback, ErrorCallback* errorCallback) 49{ 50 ExecutionContext* secureContext = worker.executionContext(); 51 if (!secureContext->securityOrigin()->canAccessFileSystem()) { 52 DOMFileSystem::scheduleCallback(&worker, errorCallback, FileError::create(FileError::SECURITY_ERR)); 53 return; 54 } 55 56 FileSystemType fileSystemType = static_cast<FileSystemType>(type); 57 if (!DOMFileSystemBase::isValidType(fileSystemType)) { 58 DOMFileSystem::scheduleCallback(&worker, errorCallback, FileError::create(FileError::INVALID_MODIFICATION_ERR)); 59 return; 60 } 61 62 LocalFileSystem::from(worker)->requestFileSystem(&worker, fileSystemType, size, FileSystemCallbacks::create(successCallback, errorCallback, &worker, fileSystemType)); 63} 64 65DOMFileSystemSync* WorkerGlobalScopeFileSystem::webkitRequestFileSystemSync(WorkerGlobalScope& worker, int type, long long size, ExceptionState& exceptionState) 66{ 67 ExecutionContext* secureContext = worker.executionContext(); 68 if (!secureContext->securityOrigin()->canAccessFileSystem()) { 69 exceptionState.throwSecurityError(FileError::securityErrorMessage); 70 return 0; 71 } 72 73 FileSystemType fileSystemType = static_cast<FileSystemType>(type); 74 if (!DOMFileSystemBase::isValidType(fileSystemType)) { 75 exceptionState.throwDOMException(InvalidModificationError, "the type must be TEMPORARY or PERSISTENT."); 76 return 0; 77 } 78 79 FileSystemSyncCallbackHelper* helper = FileSystemSyncCallbackHelper::create(); 80 OwnPtr<AsyncFileSystemCallbacks> callbacks = FileSystemCallbacks::create(helper->successCallback(), helper->errorCallback(), &worker, fileSystemType); 81 callbacks->setShouldBlockUntilCompletion(true); 82 83 LocalFileSystem::from(worker)->requestFileSystem(&worker, fileSystemType, size, callbacks.release()); 84 return helper->getResult(exceptionState); 85} 86 87void WorkerGlobalScopeFileSystem::webkitResolveLocalFileSystemURL(WorkerGlobalScope& worker, const String& url, EntryCallback* successCallback, ErrorCallback* errorCallback) 88{ 89 KURL completedURL = worker.completeURL(url); 90 ExecutionContext* secureContext = worker.executionContext(); 91 if (!secureContext->securityOrigin()->canAccessFileSystem() || !secureContext->securityOrigin()->canRequest(completedURL)) { 92 DOMFileSystem::scheduleCallback(&worker, errorCallback, FileError::create(FileError::SECURITY_ERR)); 93 return; 94 } 95 96 if (!completedURL.isValid()) { 97 DOMFileSystem::scheduleCallback(&worker, errorCallback, FileError::create(FileError::ENCODING_ERR)); 98 return; 99 } 100 101 LocalFileSystem::from(worker)->resolveURL(&worker, completedURL, ResolveURICallbacks::create(successCallback, errorCallback, &worker)); 102} 103 104EntrySync* WorkerGlobalScopeFileSystem::webkitResolveLocalFileSystemSyncURL(WorkerGlobalScope& worker, const String& url, ExceptionState& exceptionState) 105{ 106 KURL completedURL = worker.completeURL(url); 107 ExecutionContext* secureContext = worker.executionContext(); 108 if (!secureContext->securityOrigin()->canAccessFileSystem() || !secureContext->securityOrigin()->canRequest(completedURL)) { 109 exceptionState.throwSecurityError(FileError::securityErrorMessage); 110 return 0; 111 } 112 113 if (!completedURL.isValid()) { 114 exceptionState.throwDOMException(EncodingError, "the URL '" + url + "' is invalid."); 115 return 0; 116 } 117 118 EntrySyncCallbackHelper* resolveURLHelper = EntrySyncCallbackHelper::create(); 119 OwnPtr<AsyncFileSystemCallbacks> callbacks = ResolveURICallbacks::create(resolveURLHelper->successCallback(), resolveURLHelper->errorCallback(), &worker); 120 callbacks->setShouldBlockUntilCompletion(true); 121 122 LocalFileSystem::from(worker)->resolveURL(&worker, completedURL, callbacks.release()); 123 124 return resolveURLHelper->getResult(exceptionState); 125} 126 127COMPILE_ASSERT(static_cast<int>(WorkerGlobalScopeFileSystem::TEMPORARY) == static_cast<int>(FileSystemTypeTemporary), enum_mismatch); 128COMPILE_ASSERT(static_cast<int>(WorkerGlobalScopeFileSystem::PERSISTENT) == static_cast<int>(FileSystemTypePersistent), enum_mismatch); 129 130} // namespace blink 131