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      1 /*
      2  * Copyright (C) 2011 Google Inc. All rights reserved.
      3  * Copyright (C) 2012 Motorola Mobility Inc.
      4  *
      5  * Redistribution and use in source and binary forms, with or without
      6  * modification, are permitted provided that the following conditions
      7  * are met:
      8  *
      9  * 1.  Redistributions of source code must retain the above copyright
     10  *     notice, this list of conditions and the following disclaimer.
     11  * 2.  Redistributions in binary form must reproduce the above copyright
     12  *     notice, this list of conditions and the following disclaimer in the
     13  *     documentation and/or other materials provided with the distribution.
     14  *
     15  * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
     16  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
     17  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
     18  * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
     19  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
     20  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
     21  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
     22  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     23  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     24  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     25  */
     26 
     27 #include "config.h"
     28 #include "core/dom/DOMURL.h"
     29 
     30 #include "bindings/v8/ExceptionMessages.h"
     31 #include "bindings/v8/ExceptionState.h"
     32 #include "core/dom/ExceptionCode.h"
     33 #include "core/dom/ExecutionContext.h"
     34 #include "core/fetch/MemoryCache.h"
     35 #include "core/fileapi/Blob.h"
     36 #include "core/html/PublicURLManager.h"
     37 #include "platform/blob/BlobURL.h"
     38 #include "platform/weborigin/SecurityOrigin.h"
     39 #include "wtf/MainThread.h"
     40 
     41 namespace WebCore {
     42 
     43 DOMURL::DOMURL(const String& url, const KURL& base, ExceptionState& exceptionState)
     44 {
     45     ScriptWrappable::init(this);
     46     if (!base.isValid())
     47         exceptionState.throwDOMException(SyntaxError, "Invalid base URL");
     48 
     49     m_url = KURL(base, url);
     50     if (!m_url.isValid())
     51         exceptionState.throwDOMException(SyntaxError, "Invalid URL");
     52 }
     53 
     54 void DOMURL::setInput(const String& value)
     55 {
     56     KURL url(blankURL(), value);
     57     if (url.isValid()) {
     58         m_url = url;
     59         m_input = String();
     60     } else {
     61         m_url = KURL();
     62         m_input = value;
     63     }
     64 }
     65 
     66 String DOMURL::createObjectURL(ExecutionContext* executionContext, Blob* blob)
     67 {
     68     if (!executionContext || !blob)
     69         return String();
     70     return createPublicURL(executionContext, blob);
     71 }
     72 
     73 String DOMURL::createPublicURL(ExecutionContext* executionContext, URLRegistrable* registrable)
     74 {
     75     KURL publicURL = BlobURL::createPublicURL(executionContext->securityOrigin());
     76     if (publicURL.isEmpty())
     77         return String();
     78 
     79     executionContext->publicURLManager().registerURL(executionContext->securityOrigin(), publicURL, registrable);
     80 
     81     return publicURL.string();
     82 }
     83 
     84 void DOMURL::revokeObjectURL(ExecutionContext* executionContext, const String& urlString)
     85 {
     86     if (!executionContext)
     87         return;
     88 
     89     KURL url(KURL(), urlString);
     90     MemoryCache::removeURLFromCache(executionContext, url);
     91     executionContext->publicURLManager().revoke(url);
     92 }
     93 
     94 } // namespace WebCore
     95