1 /*
2 * Copyright (C) 2010 Apple 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
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
14 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
15 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
17 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
18 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
19 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
20 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
21 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
22 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
23 * THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26 #include "config.h"
27 #include "WebDatabaseManager.h"
28
29 #include "Connection.h"
30 #include "MessageID.h"
31 #include "OriginAndDatabases.h"
32 #include "WebCoreArgumentCoders.h"
33 #include "WebDatabaseManagerProxyMessages.h"
34 #include "WebProcess.h"
35 #include <WebCore/DatabaseDetails.h>
36 #include <WebCore/DatabaseTracker.h>
37 #include <WebCore/SecurityOrigin.h>
38
39 using namespace WebCore;
40
41 namespace WebKit {
42
shared()43 WebDatabaseManager& WebDatabaseManager::shared()
44 {
45 static WebDatabaseManager& shared = *new WebDatabaseManager;
46 return shared;
47 }
48
initialize(const String & databaseDirectory)49 void WebDatabaseManager::initialize(const String& databaseDirectory)
50 {
51 DatabaseTracker::initializeTracker(databaseDirectory);
52 }
53
WebDatabaseManager()54 WebDatabaseManager::WebDatabaseManager()
55 {
56 DatabaseTracker::tracker().setClient(this);
57 }
58
~WebDatabaseManager()59 WebDatabaseManager::~WebDatabaseManager()
60 {
61 }
62
didReceiveMessage(CoreIPC::Connection * connection,CoreIPC::MessageID messageID,CoreIPC::ArgumentDecoder * arguments)63 void WebDatabaseManager::didReceiveMessage(CoreIPC::Connection* connection, CoreIPC::MessageID messageID, CoreIPC::ArgumentDecoder* arguments)
64 {
65 didReceiveWebDatabaseManagerMessage(connection, messageID, arguments);
66 }
67
getDatabasesByOrigin(uint64_t callbackID) const68 void WebDatabaseManager::getDatabasesByOrigin(uint64_t callbackID) const
69 {
70 WebProcess::LocalTerminationDisabler terminationDisabler(WebProcess::shared());
71
72 // FIXME: This could be made more efficient by adding a function to DatabaseTracker
73 // to get both the origins and the Vector of DatabaseDetails for each origin in one
74 // shot. That would avoid taking the numerous locks this requires.
75
76 Vector<RefPtr<SecurityOrigin> > origins;
77 DatabaseTracker::tracker().origins(origins);
78
79 Vector<OriginAndDatabases> originAndDatabasesVector;
80 originAndDatabasesVector.reserveInitialCapacity(origins.size());
81
82 for (size_t i = 0; i < origins.size(); ++i) {
83 OriginAndDatabases originAndDatabases;
84
85 Vector<String> nameVector;
86 if (!DatabaseTracker::tracker().databaseNamesForOrigin(origins[i].get(), nameVector))
87 continue;
88
89 Vector<DatabaseDetails> detailsVector;
90 detailsVector.reserveInitialCapacity(nameVector.size());
91 for (size_t j = 0; j < nameVector.size(); j++) {
92 DatabaseDetails details = DatabaseTracker::tracker().detailsForNameAndOrigin(nameVector[j], origins[i].get());
93 if (details.name().isNull())
94 continue;
95
96 detailsVector.append(details);
97 }
98
99 if (detailsVector.isEmpty())
100 continue;
101
102 originAndDatabases.originIdentifier = origins[i]->databaseIdentifier();
103 originAndDatabases.originQuota = DatabaseTracker::tracker().quotaForOrigin(origins[i].get());
104 originAndDatabases.originUsage = DatabaseTracker::tracker().usageForOrigin(origins[i].get());
105 originAndDatabases.databases.swap(detailsVector);
106 originAndDatabasesVector.append(originAndDatabases);
107 }
108
109 WebProcess::shared().connection()->send(Messages::WebDatabaseManagerProxy::DidGetDatabasesByOrigin(originAndDatabasesVector, callbackID), 0);
110 }
111
getDatabaseOrigins(uint64_t callbackID) const112 void WebDatabaseManager::getDatabaseOrigins(uint64_t callbackID) const
113 {
114 WebProcess::LocalTerminationDisabler terminationDisabler(WebProcess::shared());
115
116 Vector<RefPtr<SecurityOrigin> > origins;
117 DatabaseTracker::tracker().origins(origins);
118
119 size_t numOrigins = origins.size();
120
121 Vector<String> identifiers(numOrigins);
122 for (size_t i = 0; i < numOrigins; ++i)
123 identifiers[i] = origins[i]->databaseIdentifier();
124 WebProcess::shared().connection()->send(Messages::WebDatabaseManagerProxy::DidGetDatabaseOrigins(identifiers, callbackID), 0);
125 }
126
deleteDatabaseWithNameForOrigin(const String & databaseIdentifier,const String & originIdentifier) const127 void WebDatabaseManager::deleteDatabaseWithNameForOrigin(const String& databaseIdentifier, const String& originIdentifier) const
128 {
129 WebProcess::LocalTerminationDisabler terminationDisabler(WebProcess::shared());
130
131 RefPtr<SecurityOrigin> origin = SecurityOrigin::createFromDatabaseIdentifier(originIdentifier);
132 if (!origin)
133 return;
134
135 DatabaseTracker::tracker().deleteDatabase(origin.get(), databaseIdentifier);
136 }
137
deleteDatabasesForOrigin(const String & originIdentifier) const138 void WebDatabaseManager::deleteDatabasesForOrigin(const String& originIdentifier) const
139 {
140 WebProcess::LocalTerminationDisabler terminationDisabler(WebProcess::shared());
141
142 RefPtr<SecurityOrigin> origin = SecurityOrigin::createFromDatabaseIdentifier(originIdentifier);
143 if (!origin)
144 return;
145
146 DatabaseTracker::tracker().deleteOrigin(origin.get());
147 }
148
deleteAllDatabases() const149 void WebDatabaseManager::deleteAllDatabases() const
150 {
151 WebProcess::LocalTerminationDisabler terminationDisabler(WebProcess::shared());
152
153 DatabaseTracker::tracker().deleteAllDatabases();
154 }
155
setQuotaForOrigin(const String & originIdentifier,unsigned long long quota) const156 void WebDatabaseManager::setQuotaForOrigin(const String& originIdentifier, unsigned long long quota) const
157 {
158 WebProcess::LocalTerminationDisabler terminationDisabler(WebProcess::shared());
159
160 // If the quota is set to a value lower than the current usage, that quota will
161 // "stick" but no data will be purged to meet the new quota. This will simply
162 // prevent new data from being added to databases in that origin.
163
164 RefPtr<SecurityOrigin> origin = SecurityOrigin::createFromDatabaseIdentifier(originIdentifier);
165 if (!origin)
166 return;
167
168 DatabaseTracker::tracker().setQuota(origin.get(), quota);
169 }
170
dispatchDidModifyOrigin(SecurityOrigin * origin)171 void WebDatabaseManager::dispatchDidModifyOrigin(SecurityOrigin* origin)
172 {
173 // NOTE: This may be called on a non-main thread.
174 WebProcess::shared().connection()->send(Messages::WebDatabaseManagerProxy::DidModifyOrigin(origin->databaseIdentifier()), 0);
175 }
176
dispatchDidModifyDatabase(WebCore::SecurityOrigin * origin,const String & databaseIdentifier)177 void WebDatabaseManager::dispatchDidModifyDatabase(WebCore::SecurityOrigin* origin, const String& databaseIdentifier)
178 {
179 // NOTE: This may be called on a non-main thread.
180 WebProcess::shared().connection()->send(Messages::WebDatabaseManagerProxy::DidModifyDatabase(origin->databaseIdentifier(), databaseIdentifier), 0);
181 }
182
183 } // namespace WebKit
184