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      1 /*
      2  * Copyright (C) 2007, 2008 Apple 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
      6  * are met:
      7  *
      8  * 1.  Redistributions of source code must retain the above copyright
      9  *     notice, this list of conditions and the following disclaimer.
     10  * 2.  Redistributions in binary form must reproduce the above copyright
     11  *     notice, this list of conditions and the following disclaimer in the
     12  *     documentation and/or other materials provided with the distribution.
     13  * 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of
     14  *     its contributors may be used to endorse or promote products derived
     15  *     from this software without specific prior written permission.
     16  *
     17  * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
     18  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
     19  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
     20  * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
     21  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
     22  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
     23  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
     24  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     25  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     26  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     27  */
     28 
     29 #include "config.h"
     30 #include "JSHTMLFrameElement.h"
     31 
     32 #include "CSSHelper.h"
     33 #include "Document.h"
     34 #include "HTMLFrameElement.h"
     35 #include "HTMLNames.h"
     36 #include "JSDOMBinding.h"
     37 
     38 using namespace JSC;
     39 
     40 namespace WebCore {
     41 
     42 using namespace HTMLNames;
     43 
     44 static inline bool allowSettingJavascriptURL(ExecState* exec, HTMLFrameElement* imp, const String& value)
     45 {
     46     if (protocolIsJavaScript(deprecatedParseURL(value))) {
     47         Document* contentDocument = imp->contentDocument();
     48         if (contentDocument && !checkNodeSecurity(exec, contentDocument))
     49             return false;
     50     }
     51     return true;
     52 }
     53 
     54 void JSHTMLFrameElement::setSrc(ExecState* exec, JSValue value)
     55 {
     56     HTMLFrameElement* imp = static_cast<HTMLFrameElement*>(impl());
     57     String srcValue = valueToStringWithNullCheck(exec, value);
     58 
     59     if (!allowSettingJavascriptURL(exec, imp, srcValue))
     60         return;
     61 
     62     imp->setAttribute(srcAttr, srcValue);
     63 }
     64 
     65 void JSHTMLFrameElement::setLocation(ExecState* exec, JSValue value)
     66 {
     67     HTMLFrameElement* imp = static_cast<HTMLFrameElement*>(impl());
     68     String locationValue = valueToStringWithNullCheck(exec, value);
     69 
     70     if (!allowSettingJavascriptURL(exec, imp, locationValue))
     71         return;
     72 
     73     imp->setLocation(locationValue);
     74 }
     75 
     76 } // namespace WebCore
     77