1 /* 2 * Copyright (C) 1999 Lars Knoll (knoll (at) kde.org) 3 * (C) 1999 Antti Koivisto (koivisto (at) kde.org) 4 * (C) 2001 Dirk Mueller (mueller (at) kde.org) 5 * (C) 2006 Alexey Proskuryakov (ap (at) 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 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 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 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 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 85 DocumentInit::~DocumentInit() 86 { 87 } 88 89 bool DocumentInit::shouldSetURL() const 90 { 91 Frame* frame = frameForSecurityContext(); 92 return (frame && frame->ownerElement()) || !m_url.isEmpty(); 93 } 94 95 bool DocumentInit::shouldTreatURLAsSrcdocDocument() const 96 { 97 return m_parent && m_frame->loader().shouldTreatURLAsSrcdocDocument(m_url); 98 } 99 100 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 } 112 113 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 } 121 122 SandboxFlags DocumentInit::sandboxFlags() const 123 { 124 ASSERT(frameForSecurityContext()); 125 return frameForSecurityContext()->loader().effectiveSandboxFlags(); 126 } 127 128 Settings* DocumentInit::settings() const 129 { 130 ASSERT(frameForSecurityContext()); 131 return frameForSecurityContext()->settings(); 132 } 133 134 KURL DocumentInit::parentBaseURL() const 135 { 136 return m_parent->baseURL(); 137 } 138 139 DocumentInit& DocumentInit::withRegistrationContext(CustomElementRegistrationContext* registrationContext) 140 { 141 ASSERT(!m_registrationContext); 142 m_registrationContext = registrationContext; 143 return *this; 144 } 145 146 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 } 159 160 WeakPtr<Document> DocumentInit::contextDocument() const 161 { 162 return m_contextDocument; 163 } 164 165 DocumentInit DocumentInit::fromContext(WeakPtr<Document> contextDocument, const KURL& url) 166 { 167 return DocumentInit(url, 0, contextDocument, 0); 168 } 169 170 } // namespace WebCore 171 172
