BlobURL.cpp revision cad810f21b803229eb11403f9209855525a25d57
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 33#include "BlobURL.h" 34 35#include "KURL.h" 36#include "PlatformString.h" 37#include "SecurityOrigin.h" 38#include "UUID.h" 39 40namespace WebCore { 41 42const char BlobURL::kBlobProtocol[] = "blob"; 43 44KURL BlobURL::createPublicURL(SecurityOrigin* securityOrigin) 45{ 46 ASSERT(securityOrigin); 47 return createBlobURL(securityOrigin->toString()); 48} 49 50KURL BlobURL::createInternalURL() 51{ 52 return createBlobURL("blobinternal://"); 53} 54 55KURL BlobURL::getOrigin(const KURL& url) 56{ 57 ASSERT(url.protocolIs(kBlobProtocol)); 58 59 unsigned startIndex = url.pathStart(); 60 unsigned afterEndIndex = url.pathAfterLastSlash(); 61 String origin = url.string().substring(startIndex, afterEndIndex - startIndex); 62 return KURL(ParsedURLString, decodeURLEscapeSequences(origin)); 63} 64 65String BlobURL::getIdentifier(const KURL& url) 66{ 67 ASSERT(url.protocolIs(kBlobProtocol)); 68 69 unsigned startIndex = url.pathAfterLastSlash(); 70 return url.string().substring(startIndex); 71} 72 73KURL BlobURL::createBlobURL(const String& originString) 74{ 75 String urlString = kBlobProtocol; 76 urlString += ":"; 77 urlString += encodeWithURLEscapeSequences(originString); 78 urlString += "/"; 79 urlString += createCanonicalUUIDString(); 80 return KURL(ParsedURLString, urlString); 81} 82 83} // namespace WebCore 84