1/*
2 * Copyright (C) 2013 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 "DatabaseProcessIDBConnection.h"
28
29#if ENABLE(INDEXED_DATABASE) && ENABLE(DATABASE_PROCESS)
30
31#include "DataReference.h"
32#include "DatabaseProcess.h"
33#include "DatabaseToWebProcessConnection.h"
34#include "IDBIdentifier.h"
35#include "Logging.h"
36#include "UniqueIDBDatabase.h"
37#include "WebCoreArgumentCoders.h"
38#include "WebIDBServerConnectionMessages.h"
39#include <WebCore/IDBDatabaseMetadata.h>
40#include <WebCore/IDBServerConnection.h>
41#include <WebCore/IndexedDB.h>
42
43using namespace WebCore;
44
45namespace WebKit {
46
47DatabaseProcessIDBConnection::DatabaseProcessIDBConnection(DatabaseToWebProcessConnection& connection, uint64_t serverConnectionIdentifier)
48    : m_connection(connection)
49    , m_serverConnectionIdentifier(serverConnectionIdentifier)
50{
51}
52
53DatabaseProcessIDBConnection::~DatabaseProcessIDBConnection()
54{
55    ASSERT(!m_uniqueIDBDatabase);
56}
57
58void DatabaseProcessIDBConnection::disconnectedFromWebProcess()
59{
60    // It's possible that the m_uniqueIDBDatabase pointer has already been cleared
61    // if the represented database was deleted, or if it was closed between delete
62    // and the delete callback
63    if (!m_uniqueIDBDatabase)
64        return;
65
66    m_uniqueIDBDatabase->unregisterConnection(*this);
67    m_uniqueIDBDatabase = nullptr;
68}
69
70void DatabaseProcessIDBConnection::establishConnection(const String& databaseName, const SecurityOriginData& openingOrigin, const SecurityOriginData& mainFrameOrigin)
71{
72    m_uniqueIDBDatabase = DatabaseProcess::shared().getOrCreateUniqueIDBDatabase(UniqueIDBDatabaseIdentifier(databaseName, openingOrigin, mainFrameOrigin));
73    m_uniqueIDBDatabase->registerConnection(*this);
74}
75
76void DatabaseProcessIDBConnection::getOrEstablishIDBDatabaseMetadata(uint64_t requestID)
77{
78    ASSERT(m_uniqueIDBDatabase);
79
80    LOG(IDB, "DatabaseProcess getOrEstablishIDBDatabaseMetadata request ID %llu (connection %p)", requestID, this);
81
82    RefPtr<DatabaseProcessIDBConnection> connection(this);
83    m_uniqueIDBDatabase->getOrEstablishIDBDatabaseMetadata([connection, requestID](bool success, const IDBDatabaseMetadata& metadata) {
84        connection->send(Messages::WebIDBServerConnection::DidGetOrEstablishIDBDatabaseMetadata(requestID, success, metadata));
85    });
86}
87
88void DatabaseProcessIDBConnection::deleteDatabase(uint64_t requestID, const String& databaseName)
89{
90    ASSERT(m_uniqueIDBDatabase);
91
92    LOG(IDB, "DatabaseProcess deleteDatabase request ID %llu (connection %p)", requestID, this);
93
94    if (databaseName != m_uniqueIDBDatabase->identifier().databaseName()) {
95        LOG_ERROR("Request to delete database name that doesn't match with this database connection's database name");
96        send(Messages::WebIDBServerConnection::DidDeleteDatabase(requestID, false));
97    }
98
99    RefPtr<DatabaseProcessIDBConnection> connection(this);
100    m_uniqueIDBDatabase->deleteDatabase([connection, this, requestID](bool success) {
101        if (success)
102            disconnectedFromWebProcess();
103
104        connection->send(Messages::WebIDBServerConnection::DidDeleteDatabase(requestID, success));
105    });
106}
107
108void DatabaseProcessIDBConnection::openTransaction(uint64_t requestID, int64_t transactionID, const Vector<int64_t>& objectStoreIDs, uint64_t intMode)
109{
110    ASSERT(m_uniqueIDBDatabase);
111
112#ifndef NDEBUG
113    const char* modeString = nullptr;
114    switch (static_cast<IndexedDB::TransactionMode>(intMode)) {
115    case IndexedDB::TransactionMode::ReadOnly:
116        modeString = "readonly";
117        break;
118    case IndexedDB::TransactionMode::ReadWrite:
119        modeString = "readwrite";
120        break;
121    case IndexedDB::TransactionMode::VersionChange:
122        modeString = "versionchange";
123        break;
124    }
125
126    LOG(IDB, "DatabaseProcess openTransaction id %llu in mode '%s', request ID %llu", transactionID, modeString, requestID);
127#endif
128
129    if (intMode > IndexedDB::TransactionModeMaximum) {
130        send(Messages::WebIDBServerConnection::DidOpenTransaction(requestID, false));
131        return;
132    }
133
134    IndexedDB::TransactionMode mode = static_cast<IndexedDB::TransactionMode>(intMode);
135    RefPtr<DatabaseProcessIDBConnection> connection(this);
136    m_uniqueIDBDatabase->openTransaction(IDBIdentifier(*this, transactionID), objectStoreIDs, mode, [connection, requestID](bool success) {
137        connection->send(Messages::WebIDBServerConnection::DidOpenTransaction(requestID, success));
138    });
139}
140
141void DatabaseProcessIDBConnection::beginTransaction(uint64_t requestID, int64_t transactionID)
142{
143    ASSERT(m_uniqueIDBDatabase);
144
145    LOG(IDB, "DatabaseProcess beginTransaction request ID %llu", requestID);
146
147    RefPtr<DatabaseProcessIDBConnection> connection(this);
148    m_uniqueIDBDatabase->beginTransaction(IDBIdentifier(*this, transactionID), [connection, requestID](bool success) {
149        connection->send(Messages::WebIDBServerConnection::DidBeginTransaction(requestID, success));
150    });
151}
152
153void DatabaseProcessIDBConnection::commitTransaction(uint64_t requestID, int64_t transactionID)
154{
155    ASSERT(m_uniqueIDBDatabase);
156
157    LOG(IDB, "DatabaseProcess commitTransaction request ID %llu", requestID);
158
159    RefPtr<DatabaseProcessIDBConnection> connection(this);
160    m_uniqueIDBDatabase->commitTransaction(IDBIdentifier(*this, transactionID), [connection, requestID](bool success) {
161        connection->send(Messages::WebIDBServerConnection::DidCommitTransaction(requestID, success));
162    });
163}
164
165void DatabaseProcessIDBConnection::resetTransaction(uint64_t requestID, int64_t transactionID)
166{
167    ASSERT(m_uniqueIDBDatabase);
168
169    LOG(IDB, "DatabaseProcess resetTransaction request ID %llu", requestID);
170
171    RefPtr<DatabaseProcessIDBConnection> connection(this);
172    m_uniqueIDBDatabase->resetTransaction(IDBIdentifier(*this, transactionID), [connection, requestID](bool success) {
173        connection->send(Messages::WebIDBServerConnection::DidResetTransaction(requestID, success));
174    });
175}
176
177void DatabaseProcessIDBConnection::rollbackTransaction(uint64_t requestID, int64_t transactionID)
178{
179    ASSERT(m_uniqueIDBDatabase);
180
181    LOG(IDB, "DatabaseProcess rollbackTransaction request ID %llu", requestID);
182
183    RefPtr<DatabaseProcessIDBConnection> connection(this);
184    m_uniqueIDBDatabase->rollbackTransaction(IDBIdentifier(*this, transactionID), [connection, requestID](bool success) {
185        connection->send(Messages::WebIDBServerConnection::DidRollbackTransaction(requestID, success));
186    });
187}
188
189void DatabaseProcessIDBConnection::resetTransactionSync(int64_t transactionID, PassRefPtr<Messages::DatabaseProcessIDBConnection::ResetTransactionSync::DelayedReply> prpReply)
190{
191    RefPtr<Messages::DatabaseProcessIDBConnection::ResetTransactionSync::DelayedReply> reply(prpReply);
192    RefPtr<DatabaseProcessIDBConnection> connection(this);
193    m_uniqueIDBDatabase->resetTransaction(IDBIdentifier(*this, transactionID), [connection, reply](bool success) {
194        reply->send(success);
195    });
196}
197
198void DatabaseProcessIDBConnection::rollbackTransactionSync(int64_t transactionID, PassRefPtr<Messages::DatabaseProcessIDBConnection::RollbackTransactionSync::DelayedReply> prpReply)
199{
200    RefPtr<Messages::DatabaseProcessIDBConnection::RollbackTransactionSync::DelayedReply> reply(prpReply);
201    RefPtr<DatabaseProcessIDBConnection> connection(this);
202    m_uniqueIDBDatabase->rollbackTransaction(IDBIdentifier(*this, transactionID), [connection, reply](bool success) {
203        reply->send(success);
204    });
205}
206
207void DatabaseProcessIDBConnection::changeDatabaseVersion(uint64_t requestID, int64_t transactionID, uint64_t newVersion)
208{
209    ASSERT(m_uniqueIDBDatabase);
210
211    LOG(IDB, "DatabaseProcess changeDatabaseVersion request ID %llu, new version %llu", requestID, newVersion);
212
213    RefPtr<DatabaseProcessIDBConnection> connection(this);
214    m_uniqueIDBDatabase->changeDatabaseVersion(IDBIdentifier(*this, transactionID), newVersion, [connection, requestID](bool success) {
215        connection->send(Messages::WebIDBServerConnection::DidChangeDatabaseVersion(requestID, success));
216    });
217}
218
219void DatabaseProcessIDBConnection::createObjectStore(uint64_t requestID, int64_t transactionID, IDBObjectStoreMetadata metadata)
220{
221    ASSERT(m_uniqueIDBDatabase);
222
223    LOG(IDB, "DatabaseProcess createObjectStore request ID %llu, object store name '%s'", requestID, metadata.name.utf8().data());
224    RefPtr<DatabaseProcessIDBConnection> connection(this);
225    m_uniqueIDBDatabase->createObjectStore(IDBIdentifier(*this, transactionID), metadata, [connection, requestID](bool success) {
226        connection->send(Messages::WebIDBServerConnection::DidCreateObjectStore(requestID, success));
227    });
228}
229
230void DatabaseProcessIDBConnection::deleteObjectStore(uint64_t requestID, int64_t transactionID, int64_t objectStoreID)
231{
232    ASSERT(m_uniqueIDBDatabase);
233
234    LOG(IDB, "DatabaseProcess deleteObjectStore request ID %llu, object store id %lli", requestID, objectStoreID);
235    RefPtr<DatabaseProcessIDBConnection> connection(this);
236    m_uniqueIDBDatabase->deleteObjectStore(IDBIdentifier(*this, transactionID), objectStoreID, [connection, requestID](bool success) {
237        connection->send(Messages::WebIDBServerConnection::DidDeleteObjectStore(requestID, success));
238    });
239}
240
241void DatabaseProcessIDBConnection::clearObjectStore(uint64_t requestID, int64_t transactionID, int64_t objectStoreID)
242{
243    ASSERT(m_uniqueIDBDatabase);
244
245    LOG(IDB, "DatabaseProcess clearObjectStore request ID %llu, object store id %lli", requestID, objectStoreID);
246    RefPtr<DatabaseProcessIDBConnection> connection(this);
247    m_uniqueIDBDatabase->clearObjectStore(IDBIdentifier(*this, transactionID), objectStoreID, [connection, requestID](bool success) {
248        connection->send(Messages::WebIDBServerConnection::DidClearObjectStore(requestID, success));
249    });
250}
251
252void DatabaseProcessIDBConnection::createIndex(uint64_t requestID, int64_t transactionID, int64_t objectStoreID, const IDBIndexMetadata& metadata)
253{
254    ASSERT(m_uniqueIDBDatabase);
255
256    LOG(IDB, "DatabaseProcess createIndex request ID %llu, object store id %lli", requestID, objectStoreID);
257    RefPtr<DatabaseProcessIDBConnection> connection(this);
258    m_uniqueIDBDatabase->createIndex(IDBIdentifier(*this, transactionID), objectStoreID, metadata, [connection, requestID](bool success) {
259        connection->send(Messages::WebIDBServerConnection::DidCreateIndex(requestID, success));
260    });
261}
262
263void DatabaseProcessIDBConnection::deleteIndex(uint64_t requestID, int64_t transactionID, int64_t objectStoreID, int64_t indexID)
264{
265    ASSERT(m_uniqueIDBDatabase);
266
267    LOG(IDB, "DatabaseProcess deleteIndex request ID %llu, object store id %lli", requestID, objectStoreID);
268    RefPtr<DatabaseProcessIDBConnection> connection(this);
269    m_uniqueIDBDatabase->deleteIndex(IDBIdentifier(*this, transactionID), objectStoreID, indexID, [connection, requestID](bool success) {
270        connection->send(Messages::WebIDBServerConnection::DidDeleteIndex(requestID, success));
271    });
272}
273
274void DatabaseProcessIDBConnection::putRecord(uint64_t requestID, int64_t transactionID, int64_t objectStoreID, const IDBKeyData& key, const IPC::DataReference& value, int64_t putMode, const Vector<int64_t>& indexIDs, const Vector<Vector<IDBKeyData>>& indexKeys)
275{
276    ASSERT(m_uniqueIDBDatabase);
277
278    LOG(IDB, "DatabaseProcess putRecord request ID %llu, object store id %lli", requestID, objectStoreID);
279    RefPtr<DatabaseProcessIDBConnection> connection(this);
280    m_uniqueIDBDatabase->putRecord(IDBIdentifier(*this, transactionID), objectStoreID, key, value, putMode, indexIDs, indexKeys, [connection, requestID](const IDBKeyData& keyData, uint32_t errorCode, const String& errorMessage) {
281        connection->send(Messages::WebIDBServerConnection::DidPutRecord(requestID, keyData, errorCode, errorMessage));
282    });
283}
284
285void DatabaseProcessIDBConnection::getRecord(uint64_t requestID, int64_t transactionID, int64_t objectStoreID, int64_t indexID, const IDBKeyRangeData& keyRange, int64_t cursorType)
286{
287    ASSERT(m_uniqueIDBDatabase);
288
289    LOG(IDB, "DatabaseProcess getRecord request ID %llu, object store id %lli", requestID, objectStoreID);
290    RefPtr<DatabaseProcessIDBConnection> connection(this);
291    m_uniqueIDBDatabase->getRecord(IDBIdentifier(*this, transactionID), objectStoreID, indexID, keyRange, static_cast<IndexedDB::CursorType>(cursorType), [connection, requestID](const IDBGetResult& getResult, uint32_t errorCode, const String& errorMessage) {
292        connection->send(Messages::WebIDBServerConnection::DidGetRecord(requestID, getResult, errorCode, errorMessage));
293    });
294}
295
296void DatabaseProcessIDBConnection::count(uint64_t requestID, int64_t transactionID, int64_t objectStoreID, int64_t indexID, const IDBKeyRangeData& keyRangeData)
297{
298    ASSERT(m_uniqueIDBDatabase);
299
300    LOG(IDB, "DatabaseProcess count request ID %llu, object store id %lli", requestID, objectStoreID);
301
302    RefPtr<DatabaseProcessIDBConnection> connection(this);
303    m_uniqueIDBDatabase->count(IDBIdentifier(*this, transactionID), objectStoreID, indexID, keyRangeData, [connection, requestID](int64_t count, uint32_t errorCode, const String& errorMessage) {
304        connection->send(Messages::WebIDBServerConnection::DidCount(requestID, count, errorCode, errorMessage));
305    });
306}
307
308void DatabaseProcessIDBConnection::deleteRange(uint64_t requestID, int64_t transactionID, int64_t objectStoreID, const IDBKeyRangeData& keyRangeData)
309{
310    ASSERT(m_uniqueIDBDatabase);
311
312    LOG(IDB, "DatabaseProcess deleteRange request ID %llu, object store id %lli", requestID, objectStoreID);
313
314    RefPtr<DatabaseProcessIDBConnection> connection(this);
315    m_uniqueIDBDatabase->deleteRange(IDBIdentifier(*this, transactionID), objectStoreID, keyRangeData, [connection, requestID](uint32_t errorCode, const String& errorMessage) {
316        connection->send(Messages::WebIDBServerConnection::DidDeleteRange(requestID, errorCode, errorMessage));
317    });
318}
319
320void DatabaseProcessIDBConnection::openCursor(uint64_t requestID, int64_t transactionID, int64_t objectStoreID, int64_t indexID, int64_t cursorDirection, int64_t cursorType, int64_t taskType, const IDBKeyRangeData& keyRangeData)
321{
322    ASSERT(m_uniqueIDBDatabase);
323
324    LOG(IDB, "DatabaseProcess openCursor request ID %llu, object store id %lli", requestID, objectStoreID);
325    RefPtr<DatabaseProcessIDBConnection> connection(this);
326    m_uniqueIDBDatabase->openCursor(IDBIdentifier(*this, transactionID), objectStoreID, indexID, static_cast<IndexedDB::CursorDirection>(cursorDirection), static_cast<IndexedDB::CursorType>(cursorType), static_cast<IDBDatabaseBackend::TaskType>(taskType), keyRangeData, [connection, requestID](int64_t cursorID, const IDBKeyData& resultKey, const IDBKeyData& primaryKey, PassRefPtr<SharedBuffer> value, uint32_t errorCode, const String& errorMessage) {
327        IPC::DataReference data = value ? IPC::DataReference(reinterpret_cast<const uint8_t*>(value->data()), value->size()) : IPC::DataReference();
328        connection->send(Messages::WebIDBServerConnection::DidOpenCursor(requestID, cursorID, resultKey, primaryKey, data, errorCode, errorMessage));
329    });
330}
331
332void DatabaseProcessIDBConnection::cursorAdvance(uint64_t requestID, int64_t cursorID, uint64_t count)
333{
334    ASSERT(m_uniqueIDBDatabase);
335
336    LOG(IDB, "DatabaseProcess cursorAdvance request ID %llu, cursor id %lli", requestID, cursorID);
337    RefPtr<DatabaseProcessIDBConnection> connection(this);
338    m_uniqueIDBDatabase->cursorAdvance(IDBIdentifier(*this, cursorID), count, [connection, requestID](const IDBKeyData& resultKey, const IDBKeyData& primaryKey, PassRefPtr<SharedBuffer> value, uint32_t errorCode, const String& errorMessage) {
339        IPC::DataReference data = value ? IPC::DataReference(reinterpret_cast<const uint8_t*>(value->data()), value->size()) : IPC::DataReference();
340        connection->send(Messages::WebIDBServerConnection::DidAdvanceCursor(requestID, resultKey, primaryKey, data, errorCode, errorMessage));
341    });
342}
343
344void DatabaseProcessIDBConnection::cursorIterate(uint64_t requestID, int64_t cursorID, const IDBKeyData& key)
345{
346    ASSERT(m_uniqueIDBDatabase);
347
348    LOG(IDB, "DatabaseProcess cursorIterate request ID %llu, cursor id %lli", requestID, cursorID);
349    RefPtr<DatabaseProcessIDBConnection> connection(this);
350    m_uniqueIDBDatabase->cursorIterate(IDBIdentifier(*this, cursorID), key, [connection, requestID](const IDBKeyData& resultKey, const IDBKeyData& primaryKey, PassRefPtr<SharedBuffer> value, uint32_t errorCode, const String& errorMessage) {
351        IPC::DataReference data = value ? IPC::DataReference(reinterpret_cast<const uint8_t*>(value->data()), value->size()) : IPC::DataReference();
352        connection->send(Messages::WebIDBServerConnection::DidIterateCursor(requestID, resultKey, primaryKey, data, errorCode, errorMessage));
353    });
354}
355
356void DatabaseProcessIDBConnection::close()
357{
358    LOG(IDB, "DatabaseProcessIDBConnection close");
359
360    disconnectedFromWebProcess();
361}
362
363IPC::Connection* DatabaseProcessIDBConnection::messageSenderConnection()
364{
365    return m_connection->connection();
366}
367
368} // namespace WebKit
369
370#endif // ENABLE(INDEXED_DATABASE) && ENABLE(DATABASE_PROCESS)
371