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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 "ScriptObjectQuarantine.h"
33 
34 #include "Document.h"
35 #include "Frame.h"
36 #include "JSDOMBinding.h"
37 #include "JSInspectedObjectWrapper.h"
38 #include "JSNode.h"
39 #include "ScriptObject.h"
40 #include "ScriptValue.h"
41 
42 #include <runtime/JSLock.h>
43 
44 #if ENABLE(DATABASE)
45 #include "Database.h"
46 #include "JSDatabase.h"
47 #endif
48 
49 #if ENABLE(DOM_STORAGE)
50 #include "JSStorage.h"
51 #endif
52 
53 using namespace JSC;
54 
55 namespace WebCore {
56 
quarantineValue(ScriptState * scriptState,const ScriptValue & value)57 ScriptValue quarantineValue(ScriptState* scriptState, const ScriptValue& value)
58 {
59     JSLock lock(SilenceAssertionsOnly);
60     return ScriptValue(JSInspectedObjectWrapper::wrap(scriptState, value.jsValue()));
61 }
62 
63 #if ENABLE(DATABASE)
getQuarantinedScriptObject(Database * database,ScriptObject & quarantinedObject)64 bool getQuarantinedScriptObject(Database* database, ScriptObject& quarantinedObject)
65 {
66     ASSERT(database);
67 
68     Frame* frame = database->document()->frame();
69     if (!frame)
70         return false;
71 
72     JSDOMGlobalObject* globalObject = toJSDOMWindow(frame);
73     ExecState* exec = globalObject->globalExec();
74 
75     JSLock lock(SilenceAssertionsOnly);
76     quarantinedObject = ScriptObject(exec, asObject(JSInspectedObjectWrapper::wrap(exec, toJS(exec, globalObject, database))));
77 
78     return true;
79 }
80 #endif
81 
82 #if ENABLE(DOM_STORAGE)
getQuarantinedScriptObject(Frame * frame,Storage * storage,ScriptObject & quarantinedObject)83 bool getQuarantinedScriptObject(Frame* frame, Storage* storage, ScriptObject& quarantinedObject)
84 {
85     ASSERT(frame);
86     ASSERT(storage);
87 
88     JSDOMGlobalObject* globalObject = toJSDOMWindow(frame);
89     ExecState* exec = globalObject->globalExec();
90 
91     JSLock lock(SilenceAssertionsOnly);
92     quarantinedObject = ScriptObject(exec, asObject(JSInspectedObjectWrapper::wrap(exec, toJS(exec, globalObject, storage))));
93 
94     return true;
95 }
96 #endif
97 
getQuarantinedScriptObject(Node * node,ScriptObject & quarantinedObject)98 bool getQuarantinedScriptObject(Node* node, ScriptObject& quarantinedObject)
99 {
100     ExecState* exec = scriptStateFromNode(node);
101     if (!exec)
102         return false;
103 
104     JSLock lock(SilenceAssertionsOnly);
105     // FIXME: Should use some sort of globalObjectFromNode()
106     quarantinedObject = ScriptObject(exec, asObject(JSInspectedObjectWrapper::wrap(exec, toJS(exec, deprecatedGlobalObjectForPrototype(exec), node))));
107 
108     return true;
109 }
110 
getQuarantinedScriptObject(DOMWindow * domWindow,ScriptObject & quarantinedObject)111 bool getQuarantinedScriptObject(DOMWindow* domWindow, ScriptObject& quarantinedObject)
112 {
113     ASSERT(domWindow);
114 
115     JSDOMWindow* window = toJSDOMWindow(domWindow->frame());
116     ExecState* exec = window->globalExec();
117 
118     JSLock lock(SilenceAssertionsOnly);
119     quarantinedObject = ScriptObject(exec, asObject(JSInspectedObjectWrapper::wrap(exec, window)));
120 
121     return true;
122 }
123 
124 
125 } // namespace WebCore
126