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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/core/v8/ExceptionMessages.h"
     31 #include "bindings/core/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 blink {
     42 
     43 DOMURL::DOMURL(const String& url, const KURL& base, ExceptionState& exceptionState)
     44 {
     45     if (!base.isValid())
     46         exceptionState.throwDOMException(SyntaxError, "Invalid base URL");
     47 
     48     m_url = KURL(base, url);
     49     if (!m_url.isValid())
     50         exceptionState.throwDOMException(SyntaxError, "Invalid URL");
     51 }
     52 
     53 void DOMURL::setInput(const String& value)
     54 {
     55     KURL url(blankURL(), value);
     56     if (url.isValid()) {
     57         m_url = url;
     58         m_input = String();
     59     } else {
     60         m_url = KURL();
     61         m_input = value;
     62     }
     63 }
     64 
     65 String DOMURL::createObjectURL(ExecutionContext* executionContext, Blob* blob, ExceptionState& exceptionState)
     66 {
     67     if (!executionContext || !blob)
     68         return String();
     69     if (blob->hasBeenClosed()) {
     70         exceptionState.throwDOMException(InvalidStateError, String(blob->isFile() ? "File" : "Blob") + " has been closed.");
     71         return String();
     72     }
     73     return createPublicURL(executionContext, blob, blob->uuid());
     74 }
     75 
     76 String DOMURL::createPublicURL(ExecutionContext* executionContext, URLRegistrable* registrable, const String& uuid)
     77 {
     78     KURL publicURL = BlobURL::createPublicURL(executionContext->securityOrigin());
     79     if (publicURL.isEmpty())
     80         return String();
     81 
     82     executionContext->publicURLManager().registerURL(executionContext->securityOrigin(), publicURL, registrable, uuid);
     83 
     84     return publicURL.string();
     85 }
     86 
     87 void DOMURL::revokeObjectURL(ExecutionContext* executionContext, const String& urlString)
     88 {
     89     if (!executionContext)
     90         return;
     91 
     92     KURL url(KURL(), urlString);
     93     MemoryCache::removeURLFromCache(executionContext, url);
     94     executionContext->publicURLManager().revoke(url);
     95 }
     96 
     97 void DOMURL::revokeObjectUUID(ExecutionContext* executionContext, const String& uuid)
     98 {
     99     if (!executionContext)
    100         return;
    101 
    102     executionContext->publicURLManager().revoke(uuid);
    103 }
    104 
    105 } // namespace blink
    106