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
47 namespace blink {
48
49 namespace {
50
51 struct StorageTypeMapping {
52 WebStorageQuotaType type;
53 const char* const name;
54 };
55
56 const StorageTypeMapping storageTypeMappings[] = {
57 { WebStorageQuotaTypeTemporary, "temporary" },
58 { WebStorageQuotaTypePersistent, "persistent" },
59 };
60
stringToStorageQuotaType(const String & type)61 WebStorageQuotaType 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
StorageQuota()73 StorageQuota::StorageQuota()
74 {
75 }
76
supportedTypes() const77 Vector<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
queryInfo(ScriptState * scriptState,String type)85 ScriptPromise 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
requestPersistentQuota(ScriptState * scriptState,unsigned long long newQuota)102 ScriptPromise 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