/* * Copyright (C) 2010 Google Inc. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are * met: * * * Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * Redistributions in binary form must reproduce the above * copyright notice, this list of conditions and the following disclaimer * in the documentation and/or other materials provided with the * distribution. * * Neither the name of Google Inc. nor the names of its * contributors may be used to endorse or promote products derived from * this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #include "config.h" #include "BlobURL.h" #include <wtf/URL.h> #include "SecurityOrigin.h" #include <wtf/UUID.h> #include <wtf/text/WTFString.h> namespace WebCore { const char* kBlobProtocol = "blob"; URL BlobURL::createPublicURL(SecurityOrigin* securityOrigin) { ASSERT(securityOrigin); return createBlobURL(securityOrigin->toString()); } URL BlobURL::createInternalURL() { return createBlobURL("blobinternal://"); } static const Document* blobOwner(const SecurityOrigin& blobOrigin) { if (!isMainThread()) return nullptr; for (const auto* document : Document::allDocuments()) { if (&document->securityOrigin() == &blobOrigin) return document; } return nullptr; } String BlobURL::getOrigin(const URL& url) { ASSERT(url.protocolIs(kBlobProtocol)); unsigned startIndex = url.pathStart(); unsigned endIndex = url.pathAfterLastSlash(); return url.string().substring(startIndex, endIndex - startIndex - 1); } URL BlobURL::getOriginURL(const URL& url) { ASSERT(url.protocolIs(kBlobProtocol)); if (auto blobOrigin = ThreadableBlobRegistry::getCachedOrigin(url)) { if (auto* document = blobOwner(*blobOrigin)) return document->url(); } return SecurityOrigin::extractInnerURL(url); } URL BlobURL::createBlobURL(const String& originString) { ASSERT(!originString.isEmpty()); String urlString = "blob:" + originString + '/' + createCanonicalUUIDString(); return URL({ }, urlString); } } // namespace WebCore