1/* 2 * Copyright (C) 2014 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 "modules/quota/StorageQuota.h" 33 34#include "bindings/core/v8/ScriptPromise.h" 35#include "bindings/core/v8/ScriptPromiseResolver.h" 36#include "core/dom/DOMError.h" 37#include "core/dom/ExceptionCode.h" 38#include "core/dom/ExecutionContext.h" 39#include "modules/quota/StorageQuotaCallbacksImpl.h" 40#include "modules/quota/StorageQuotaClient.h" 41#include "platform/weborigin/KURL.h" 42#include "platform/weborigin/SecurityOrigin.h" 43#include "public/platform/Platform.h" 44#include "public/platform/WebStorageQuotaCallbacks.h" 45#include "public/platform/WebStorageQuotaType.h" 46 47namespace blink { 48 49namespace { 50 51struct StorageTypeMapping { 52 WebStorageQuotaType type; 53 const char* const name; 54}; 55 56const StorageTypeMapping storageTypeMappings[] = { 57 { WebStorageQuotaTypeTemporary, "temporary" }, 58 { WebStorageQuotaTypePersistent, "persistent" }, 59}; 60 61WebStorageQuotaType stringToStorageQuotaType(const String& type) 62{ 63 for (size_t i = 0; i < WTF_ARRAY_LENGTH(storageTypeMappings); ++i) { 64 if (storageTypeMappings[i].name == type) 65 return storageTypeMappings[i].type; 66 } 67 ASSERT_NOT_REACHED(); 68 return WebStorageQuotaTypeTemporary; 69} 70 71} // namespace 72 73StorageQuota::StorageQuota() 74{ 75} 76 77Vector<String> StorageQuota::supportedTypes() const 78{ 79 Vector<String> types; 80 for (size_t i = 0; i < WTF_ARRAY_LENGTH(storageTypeMappings); ++i) 81 types.append(storageTypeMappings[i].name); 82 return types; 83} 84 85ScriptPromise StorageQuota::queryInfo(ScriptState* scriptState, String type) 86{ 87 RefPtr<ScriptPromiseResolver> resolver = ScriptPromiseResolver::create(scriptState); 88 ScriptPromise promise = resolver->promise(); 89 90 SecurityOrigin* securityOrigin = scriptState->executionContext()->securityOrigin(); 91 if (securityOrigin->isUnique()) { 92 resolver->reject(DOMError::create(NotSupportedError)); 93 return promise; 94 } 95 96 KURL storagePartition = KURL(KURL(), securityOrigin->toString()); 97 OwnPtrWillBeRawPtr<StorageQuotaCallbacks> callbacks = StorageQuotaCallbacksImpl::create(resolver); 98 Platform::current()->queryStorageUsageAndQuota(storagePartition, stringToStorageQuotaType(type), callbacks.release()); 99 return promise; 100} 101 102ScriptPromise StorageQuota::requestPersistentQuota(ScriptState* scriptState, unsigned long long newQuota) 103{ 104 StorageQuotaClient* client = StorageQuotaClient::from(scriptState->executionContext()); 105 if (!client) { 106 RefPtr<ScriptPromiseResolver> resolver = ScriptPromiseResolver::create(scriptState); 107 ScriptPromise promise = resolver->promise(); 108 resolver->reject(DOMError::create(NotSupportedError)); 109 return promise; 110 } 111 112 return client->requestPersistentQuota(scriptState, newQuota); 113} 114 115} // namespace blink 116