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 "modules/filesystem/DOMWindowFileSystem.h"
28
29 #include "core/dom/Document.h"
30 #include "core/fileapi/FileError.h"
31 #include "core/frame/DOMWindow.h"
32 #include "modules/filesystem/DOMFileSystem.h"
33 #include "modules/filesystem/EntryCallback.h"
34 #include "modules/filesystem/ErrorCallback.h"
35 #include "modules/filesystem/FileSystemCallback.h"
36 #include "modules/filesystem/FileSystemCallbacks.h"
37 #include "modules/filesystem/LocalFileSystem.h"
38 #include "platform/FileSystemType.h"
39 #include "platform/weborigin/SecurityOrigin.h"
40
41 namespace WebCore {
42
DOMWindowFileSystem()43 DOMWindowFileSystem::DOMWindowFileSystem()
44 {
45 }
46
~DOMWindowFileSystem()47 DOMWindowFileSystem::~DOMWindowFileSystem()
48 {
49 }
50
webkitRequestFileSystem(DOMWindow * window,int type,long long size,PassOwnPtr<FileSystemCallback> successCallback,PassOwnPtr<ErrorCallback> errorCallback)51 void DOMWindowFileSystem::webkitRequestFileSystem(DOMWindow* window, int type, long long size, PassOwnPtr<FileSystemCallback> successCallback, PassOwnPtr<ErrorCallback> errorCallback)
52 {
53 if (!window->isCurrentlyDisplayedInFrame())
54 return;
55
56 Document* document = window->document();
57 if (!document)
58 return;
59
60 if (!document->securityOrigin()->canAccessFileSystem()) {
61 DOMFileSystem::scheduleCallback(document, errorCallback, FileError::create(FileError::SECURITY_ERR));
62 return;
63 }
64
65 FileSystemType fileSystemType = static_cast<FileSystemType>(type);
66 if (!DOMFileSystemBase::isValidType(fileSystemType)) {
67 DOMFileSystem::scheduleCallback(document, errorCallback, FileError::create(FileError::INVALID_MODIFICATION_ERR));
68 return;
69 }
70
71 LocalFileSystem::from(document)->requestFileSystem(document, fileSystemType, size, FileSystemCallbacks::create(successCallback, errorCallback, document, fileSystemType));
72 }
73
webkitResolveLocalFileSystemURL(DOMWindow * window,const String & url,PassOwnPtr<EntryCallback> successCallback,PassOwnPtr<ErrorCallback> errorCallback)74 void DOMWindowFileSystem::webkitResolveLocalFileSystemURL(DOMWindow* window, const String& url, PassOwnPtr<EntryCallback> successCallback, PassOwnPtr<ErrorCallback> errorCallback)
75 {
76 if (!window->isCurrentlyDisplayedInFrame())
77 return;
78
79 Document* document = window->document();
80 if (!document)
81 return;
82
83 SecurityOrigin* securityOrigin = document->securityOrigin();
84 KURL completedURL = document->completeURL(url);
85 if (!securityOrigin->canAccessFileSystem() || !securityOrigin->canRequest(completedURL)) {
86 DOMFileSystem::scheduleCallback(document, errorCallback, FileError::create(FileError::SECURITY_ERR));
87 return;
88 }
89
90 if (!completedURL.isValid()) {
91 DOMFileSystem::scheduleCallback(document, errorCallback, FileError::create(FileError::ENCODING_ERR));
92 return;
93 }
94
95 LocalFileSystem::from(document)->resolveURL(document, completedURL, ResolveURICallbacks::create(successCallback, errorCallback, document));
96 }
97
98 COMPILE_ASSERT(static_cast<int>(DOMWindowFileSystem::TEMPORARY) == static_cast<int>(FileSystemTypeTemporary), enum_mismatch);
99 COMPILE_ASSERT(static_cast<int>(DOMWindowFileSystem::PERSISTENT) == static_cast<int>(FileSystemTypePersistent), enum_mismatch);
100
101 } // namespace WebCore
102