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 43 WebDatabaseManager& WebDatabaseManager::shared() 44 { 45 static WebDatabaseManager& shared = *new WebDatabaseManager; 46 return shared; 47 } 48 49 void WebDatabaseManager::initialize(const String& databaseDirectory) 50 { 51 DatabaseTracker::initializeTracker(databaseDirectory); 52 } 53 54 WebDatabaseManager::WebDatabaseManager() 55 { 56 DatabaseTracker::tracker().setClient(this); 57 } 58 59 WebDatabaseManager::~WebDatabaseManager() 60 { 61 } 62 63 void WebDatabaseManager::didReceiveMessage(CoreIPC::Connection* connection, CoreIPC::MessageID messageID, CoreIPC::ArgumentDecoder* arguments) 64 { 65 didReceiveWebDatabaseManagerMessage(connection, messageID, arguments); 66 } 67 68 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 } 111 112 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 } 126 127 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 } 137 138 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 } 148 149 void WebDatabaseManager::deleteAllDatabases() const 150 { 151 WebProcess::LocalTerminationDisabler terminationDisabler(WebProcess::shared()); 152 153 DatabaseTracker::tracker().deleteAllDatabases(); 154 } 155 156 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 } 170 171 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 } 176 177 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
