1 /*
2 * Copyright (C) 2009 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
6 * met:
7 *
8 * * Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * * Redistributions in binary form must reproduce the above
11 * copyright notice, this list of conditions and the following disclaimer
12 * in the documentation and/or other materials provided with the
13 * distribution.
14 * * Neither the name of Google Inc. nor the names of its
15 * contributors may be used to endorse or promote products derived from
16 * this software without specific prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 */
30
31 #include "config.h"
32 #include "bindings/core/v8/DOMWrapperWorld.h"
33
34 #include "bindings/core/v8/DOMDataStore.h"
35 #include "bindings/core/v8/ScriptController.h"
36 #include "bindings/core/v8/V8Binding.h"
37 #include "bindings/core/v8/V8DOMActivityLogger.h"
38 #include "bindings/core/v8/V8DOMWrapper.h"
39 #include "bindings/core/v8/V8Window.h"
40 #include "bindings/core/v8/WindowProxy.h"
41 #include "bindings/core/v8/WrapperTypeInfo.h"
42 #include "core/dom/ExecutionContext.h"
43 #include "wtf/HashTraits.h"
44 #include "wtf/StdLibExtras.h"
45
46 namespace blink {
47
48 unsigned DOMWrapperWorld::isolatedWorldCount = 0;
49 DOMWrapperWorld* DOMWrapperWorld::worldOfInitializingWindow = 0;
50
create(int worldId,int extensionGroup)51 PassRefPtr<DOMWrapperWorld> DOMWrapperWorld::create(int worldId, int extensionGroup)
52 {
53 return adoptRef(new DOMWrapperWorld(worldId, extensionGroup));
54 }
55
DOMWrapperWorld(int worldId,int extensionGroup)56 DOMWrapperWorld::DOMWrapperWorld(int worldId, int extensionGroup)
57 : m_worldId(worldId)
58 , m_extensionGroup(extensionGroup)
59 , m_domDataStore(adoptPtr(new DOMDataStore(isMainWorld())))
60 {
61 }
62
mainWorld()63 DOMWrapperWorld& DOMWrapperWorld::mainWorld()
64 {
65 ASSERT(isMainThread());
66 DEFINE_STATIC_REF(DOMWrapperWorld, cachedMainWorld, (DOMWrapperWorld::create(MainWorldId, mainWorldExtensionGroup)));
67 return *cachedMainWorld;
68 }
69
privateScriptIsolatedWorld()70 DOMWrapperWorld& DOMWrapperWorld::privateScriptIsolatedWorld()
71 {
72 ASSERT(isMainThread());
73 DEFINE_STATIC_LOCAL(RefPtr<DOMWrapperWorld>, cachedPrivateScriptIsolatedWorld, ());
74 if (!cachedPrivateScriptIsolatedWorld) {
75 cachedPrivateScriptIsolatedWorld = DOMWrapperWorld::create(PrivateScriptIsolatedWorldId, privateScriptIsolatedWorldExtensionGroup);
76 isolatedWorldCount++;
77 }
78 return *cachedPrivateScriptIsolatedWorld;
79 }
80
81 typedef HashMap<int, DOMWrapperWorld*> WorldMap;
isolatedWorldMap()82 static WorldMap& isolatedWorldMap()
83 {
84 ASSERT(isMainThread());
85 DEFINE_STATIC_LOCAL(WorldMap, map, ());
86 return map;
87 }
88
allWorldsInMainThread(Vector<RefPtr<DOMWrapperWorld>> & worlds)89 void DOMWrapperWorld::allWorldsInMainThread(Vector<RefPtr<DOMWrapperWorld> >& worlds)
90 {
91 ASSERT(isMainThread());
92 worlds.append(&mainWorld());
93 WorldMap& isolatedWorlds = isolatedWorldMap();
94 for (WorldMap::iterator it = isolatedWorlds.begin(); it != isolatedWorlds.end(); ++it)
95 worlds.append(it->value);
96 }
97
~DOMWrapperWorld()98 DOMWrapperWorld::~DOMWrapperWorld()
99 {
100 ASSERT(!isMainWorld());
101
102 dispose();
103
104 if (!isIsolatedWorld())
105 return;
106
107 WorldMap& map = isolatedWorldMap();
108 WorldMap::iterator it = map.find(m_worldId);
109 if (it == map.end()) {
110 ASSERT_NOT_REACHED();
111 return;
112 }
113 ASSERT(it->value == this);
114
115 map.remove(it);
116 isolatedWorldCount--;
117 }
118
dispose()119 void DOMWrapperWorld::dispose()
120 {
121 m_domObjectHolders.clear();
122 m_domDataStore.clear();
123 }
124
125 #if ENABLE(ASSERT)
isIsolatedWorldId(int worldId)126 static bool isIsolatedWorldId(int worldId)
127 {
128 return MainWorldId < worldId && worldId < IsolatedWorldIdLimit;
129 }
130 #endif
131
ensureIsolatedWorld(int worldId,int extensionGroup)132 PassRefPtr<DOMWrapperWorld> DOMWrapperWorld::ensureIsolatedWorld(int worldId, int extensionGroup)
133 {
134 ASSERT(isIsolatedWorldId(worldId));
135
136 WorldMap& map = isolatedWorldMap();
137 WorldMap::AddResult result = map.add(worldId, 0);
138 RefPtr<DOMWrapperWorld> world = result.storedValue->value;
139 if (world) {
140 ASSERT(world->worldId() == worldId);
141 ASSERT(world->extensionGroup() == extensionGroup);
142 return world.release();
143 }
144
145 world = DOMWrapperWorld::create(worldId, extensionGroup);
146 result.storedValue->value = world.get();
147 isolatedWorldCount++;
148 return world.release();
149 }
150
151 typedef HashMap<int, RefPtr<SecurityOrigin> > IsolatedWorldSecurityOriginMap;
isolatedWorldSecurityOrigins()152 static IsolatedWorldSecurityOriginMap& isolatedWorldSecurityOrigins()
153 {
154 ASSERT(isMainThread());
155 DEFINE_STATIC_LOCAL(IsolatedWorldSecurityOriginMap, map, ());
156 return map;
157 }
158
isolatedWorldSecurityOrigin()159 SecurityOrigin* DOMWrapperWorld::isolatedWorldSecurityOrigin()
160 {
161 ASSERT(this->isIsolatedWorld());
162 IsolatedWorldSecurityOriginMap& origins = isolatedWorldSecurityOrigins();
163 IsolatedWorldSecurityOriginMap::iterator it = origins.find(worldId());
164 return it == origins.end() ? 0 : it->value.get();
165 }
166
setIsolatedWorldSecurityOrigin(int worldId,PassRefPtr<SecurityOrigin> securityOrigin)167 void DOMWrapperWorld::setIsolatedWorldSecurityOrigin(int worldId, PassRefPtr<SecurityOrigin> securityOrigin)
168 {
169 ASSERT(isIsolatedWorldId(worldId));
170 if (securityOrigin)
171 isolatedWorldSecurityOrigins().set(worldId, securityOrigin);
172 else
173 isolatedWorldSecurityOrigins().remove(worldId);
174 }
175
176 typedef HashMap<int, String > IsolatedWorldHumanReadableNameMap;
isolatedWorldHumanReadableNames()177 static IsolatedWorldHumanReadableNameMap& isolatedWorldHumanReadableNames()
178 {
179 ASSERT(isMainThread());
180 DEFINE_STATIC_LOCAL(IsolatedWorldHumanReadableNameMap, map, ());
181 return map;
182 }
183
isolatedWorldHumanReadableName()184 String DOMWrapperWorld::isolatedWorldHumanReadableName()
185 {
186 ASSERT(this->isIsolatedWorld());
187 return isolatedWorldHumanReadableNames().get(worldId());
188 }
189
setIsolatedWorldHumanReadableName(int worldId,const String & humanReadableName)190 void DOMWrapperWorld::setIsolatedWorldHumanReadableName(int worldId, const String& humanReadableName)
191 {
192 ASSERT(isIsolatedWorldId(worldId));
193 isolatedWorldHumanReadableNames().set(worldId, humanReadableName);
194 }
195
196 typedef HashMap<int, bool> IsolatedWorldContentSecurityPolicyMap;
isolatedWorldContentSecurityPolicies()197 static IsolatedWorldContentSecurityPolicyMap& isolatedWorldContentSecurityPolicies()
198 {
199 ASSERT(isMainThread());
200 DEFINE_STATIC_LOCAL(IsolatedWorldContentSecurityPolicyMap, map, ());
201 return map;
202 }
203
isolatedWorldHasContentSecurityPolicy()204 bool DOMWrapperWorld::isolatedWorldHasContentSecurityPolicy()
205 {
206 ASSERT(this->isIsolatedWorld());
207 IsolatedWorldContentSecurityPolicyMap& policies = isolatedWorldContentSecurityPolicies();
208 IsolatedWorldContentSecurityPolicyMap::iterator it = policies.find(worldId());
209 return it == policies.end() ? false : it->value;
210 }
211
setIsolatedWorldContentSecurityPolicy(int worldId,const String & policy)212 void DOMWrapperWorld::setIsolatedWorldContentSecurityPolicy(int worldId, const String& policy)
213 {
214 ASSERT(isIsolatedWorldId(worldId));
215 if (!policy.isEmpty())
216 isolatedWorldContentSecurityPolicies().set(worldId, true);
217 else
218 isolatedWorldContentSecurityPolicies().remove(worldId);
219 }
220
registerDOMObjectHolderInternal(PassOwnPtr<DOMObjectHolderBase> holderBase)221 void DOMWrapperWorld::registerDOMObjectHolderInternal(PassOwnPtr<DOMObjectHolderBase> holderBase)
222 {
223 ASSERT(!m_domObjectHolders.contains(holderBase.get()));
224 holderBase->setWorld(this);
225 holderBase->setWeak(&DOMWrapperWorld::weakCallbackForDOMObjectHolder);
226 m_domObjectHolders.add(holderBase);
227 }
228
unregisterDOMObjectHolder(DOMObjectHolderBase * holderBase)229 void DOMWrapperWorld::unregisterDOMObjectHolder(DOMObjectHolderBase* holderBase)
230 {
231 ASSERT(m_domObjectHolders.contains(holderBase));
232 m_domObjectHolders.remove(holderBase);
233 }
234
weakCallbackForDOMObjectHolder(const v8::WeakCallbackData<v8::Value,DOMObjectHolderBase> & data)235 void DOMWrapperWorld::weakCallbackForDOMObjectHolder(const v8::WeakCallbackData<v8::Value, DOMObjectHolderBase>& data)
236 {
237 DOMObjectHolderBase* holderBase = data.GetParameter();
238 holderBase->world()->unregisterDOMObjectHolder(holderBase);
239 }
240
241 } // namespace blink
242