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 "platform/blob/BlobURL.h" 33 34 #include "platform/UUID.h" 35 #include "platform/weborigin/KURL.h" 36 #include "platform/weborigin/SecurityOrigin.h" 37 #include "wtf/text/WTFString.h" 38 39 namespace blink { 40 41 const char BlobURL::kBlobProtocol[] = "blob"; 42 43 KURL BlobURL::createPublicURL(SecurityOrigin* securityOrigin) 44 { 45 ASSERT(securityOrigin); 46 return createBlobURL(securityOrigin->toString()); 47 } 48 49 String BlobURL::getOrigin(const KURL& url) 50 { 51 ASSERT(url.protocolIs(kBlobProtocol)); 52 53 unsigned startIndex = url.pathStart(); 54 unsigned endIndex = url.pathAfterLastSlash(); 55 return url.string().substring(startIndex, endIndex - startIndex - 1); 56 } 57 58 KURL BlobURL::createInternalStreamURL() 59 { 60 return createBlobURL("blobinternal://"); 61 } 62 63 KURL BlobURL::createBlobURL(const String& originString) 64 { 65 ASSERT(!originString.isEmpty()); 66 String urlString = "blob:" + encodeWithURLEscapeSequences(originString) + '/' + createCanonicalUUIDString(); 67 return KURL::createIsolated(ParsedURLString, urlString); 68 } 69 70 } // namespace blink 71