1 /*
2 * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
3 * (C) 1999 Antti Koivisto (koivisto@kde.org)
4 * (C) 2001 Dirk Mueller (mueller@kde.org)
5 * (C) 2006 Alexey Proskuryakov (ap@webkit.org)
6 * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2012 Apple Inc. All rights reserved.
7 * Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
8 * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies)
9 * Copyright (C) 2013 Google Inc. All rights reserved.
10 *
11 * This library is free software; you can redistribute it and/or
12 * modify it under the terms of the GNU Library General Public
13 * License as published by the Free Software Foundation; either
14 * version 2 of the License, or (at your option) any later version.
15 *
16 * This library is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
19 * Library General Public License for more details.
20 *
21 * You should have received a copy of the GNU Library General Public License
22 * along with this library; see the file COPYING.LIB. If not, write to
23 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
24 * Boston, MA 02110-1301, USA.
25 *
26 */
27
28 #include "config.h"
29 #include "core/dom/DocumentInit.h"
30
31 #include "RuntimeEnabledFeatures.h"
32 #include "core/dom/Document.h"
33 #include "core/dom/custom/CustomElementRegistrationContext.h"
34 #include "core/html/HTMLFrameOwnerElement.h"
35 #include "core/html/HTMLImportsController.h"
36 #include "core/frame/Frame.h"
37
38 namespace WebCore {
39
parentDocument(Frame * frame)40 static Document* parentDocument(Frame* frame)
41 {
42 if (!frame)
43 return 0;
44 Element* ownerElement = frame->ownerElement();
45 if (!ownerElement)
46 return 0;
47 return &ownerElement->document();
48 }
49
50
ownerDocument(Frame * frame)51 static Document* ownerDocument(Frame* frame)
52 {
53 if (!frame)
54 return 0;
55
56 Frame* ownerFrame = frame->tree().parent();
57 if (!ownerFrame)
58 ownerFrame = frame->loader().opener();
59 if (!ownerFrame)
60 return 0;
61 return ownerFrame->document();
62 }
63
DocumentInit(const KURL & url,Frame * frame,WeakPtr<Document> contextDocument,HTMLImport * import)64 DocumentInit::DocumentInit(const KURL& url, Frame* frame, WeakPtr<Document> contextDocument, HTMLImport* import)
65 : m_url(url)
66 , m_frame(frame)
67 , m_parent(parentDocument(frame))
68 , m_owner(ownerDocument(frame))
69 , m_contextDocument(contextDocument)
70 , m_import(import)
71 {
72 }
73
DocumentInit(const DocumentInit & other)74 DocumentInit::DocumentInit(const DocumentInit& other)
75 : m_url(other.m_url)
76 , m_frame(other.m_frame)
77 , m_parent(other.m_parent)
78 , m_owner(other.m_owner)
79 , m_contextDocument(other.m_contextDocument)
80 , m_import(other.m_import)
81 , m_registrationContext(other.m_registrationContext)
82 {
83 }
84
~DocumentInit()85 DocumentInit::~DocumentInit()
86 {
87 }
88
shouldSetURL() const89 bool DocumentInit::shouldSetURL() const
90 {
91 Frame* frame = frameForSecurityContext();
92 return (frame && frame->ownerElement()) || !m_url.isEmpty();
93 }
94
shouldTreatURLAsSrcdocDocument() const95 bool DocumentInit::shouldTreatURLAsSrcdocDocument() const
96 {
97 return m_parent && m_frame->loader().shouldTreatURLAsSrcdocDocument(m_url);
98 }
99
isSeamlessAllowedFor(Document * child) const100 bool DocumentInit::isSeamlessAllowedFor(Document* child) const
101 {
102 if (!m_parent)
103 return false;
104 if (m_parent->isSandboxed(SandboxSeamlessIframes))
105 return false;
106 if (child->isSrcdocDocument())
107 return true;
108 if (m_parent->securityOrigin()->canAccess(child->securityOrigin()))
109 return true;
110 return m_parent->securityOrigin()->canRequest(child->url());
111 }
112
frameForSecurityContext() const113 Frame* DocumentInit::frameForSecurityContext() const
114 {
115 if (m_frame)
116 return m_frame;
117 if (m_import)
118 return m_import->frame();
119 return 0;
120 }
121
sandboxFlags() const122 SandboxFlags DocumentInit::sandboxFlags() const
123 {
124 ASSERT(frameForSecurityContext());
125 return frameForSecurityContext()->loader().effectiveSandboxFlags();
126 }
127
settings() const128 Settings* DocumentInit::settings() const
129 {
130 ASSERT(frameForSecurityContext());
131 return frameForSecurityContext()->settings();
132 }
133
parentBaseURL() const134 KURL DocumentInit::parentBaseURL() const
135 {
136 return m_parent->baseURL();
137 }
138
withRegistrationContext(CustomElementRegistrationContext * registrationContext)139 DocumentInit& DocumentInit::withRegistrationContext(CustomElementRegistrationContext* registrationContext)
140 {
141 ASSERT(!m_registrationContext);
142 m_registrationContext = registrationContext;
143 return *this;
144 }
145
registrationContext(Document * document) const146 PassRefPtr<CustomElementRegistrationContext> DocumentInit::registrationContext(Document* document) const
147 {
148 if (!RuntimeEnabledFeatures::customElementsEnabled() && !RuntimeEnabledFeatures::embedderCustomElementsEnabled())
149 return 0;
150
151 if (!document->isHTMLDocument() && !document->isXHTMLDocument())
152 return 0;
153
154 if (m_registrationContext)
155 return m_registrationContext.get();
156
157 return CustomElementRegistrationContext::create();
158 }
159
contextDocument() const160 WeakPtr<Document> DocumentInit::contextDocument() const
161 {
162 return m_contextDocument;
163 }
164
fromContext(WeakPtr<Document> contextDocument,const KURL & url)165 DocumentInit DocumentInit::fromContext(WeakPtr<Document> contextDocument, const KURL& url)
166 {
167 return DocumentInit(url, 0, contextDocument, 0);
168 }
169
170 } // namespace WebCore
171
172