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      1 /*
      2  * Copyright (C) 2010 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 "core/workers/AbstractWorker.h"
     33 
     34 #include "bindings/v8/ExceptionState.h"
     35 #include "core/dom/EventNames.h"
     36 #include "core/dom/ExceptionCode.h"
     37 #include "core/dom/ScriptExecutionContext.h"
     38 #include "core/page/ContentSecurityPolicy.h"
     39 #include "weborigin/SecurityOrigin.h"
     40 
     41 namespace WebCore {
     42 
     43 AbstractWorker::AbstractWorker(ScriptExecutionContext* context)
     44     : ActiveDOMObject(context)
     45 {
     46 }
     47 
     48 AbstractWorker::~AbstractWorker()
     49 {
     50 }
     51 
     52 void AbstractWorker::contextDestroyed()
     53 {
     54     ActiveDOMObject::contextDestroyed();
     55 }
     56 
     57 KURL AbstractWorker::resolveURL(const String& url, ExceptionState& es)
     58 {
     59     if (url.isEmpty()) {
     60         es.throwDOMException(SyntaxError);
     61         return KURL();
     62     }
     63 
     64     // FIXME: This should use the dynamic global scope (bug #27887)
     65     KURL scriptURL = scriptExecutionContext()->completeURL(url);
     66     if (!scriptURL.isValid()) {
     67         es.throwDOMException(SyntaxError);
     68         return KURL();
     69     }
     70 
     71     if (!scriptExecutionContext()->securityOrigin()->canRequest(scriptURL)) {
     72         es.throwDOMException(SecurityError);
     73         return KURL();
     74     }
     75 
     76     if (scriptExecutionContext()->contentSecurityPolicy() && !scriptExecutionContext()->contentSecurityPolicy()->allowScriptFromSource(scriptURL)) {
     77         es.throwDOMException(SecurityError);
     78         return KURL();
     79     }
     80 
     81     return scriptURL;
     82 }
     83 
     84 EventTargetData* AbstractWorker::eventTargetData()
     85 {
     86     return &m_eventTargetData;
     87 }
     88 
     89 EventTargetData* AbstractWorker::ensureEventTargetData()
     90 {
     91     return &m_eventTargetData;
     92 }
     93 
     94 } // namespace WebCore
     95