1 /* 2 * Copyright (C) 2007 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 * 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of 14 * its contributors may be used to endorse or promote products derived 15 * from this software without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY 18 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 19 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 20 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY 21 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 22 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 23 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 24 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 */ 28 #ifndef DatabaseAuthorizer_h 29 #define DatabaseAuthorizer_h 30 31 #include "StringHash.h" 32 #include <wtf/HashSet.h> 33 #include <wtf/PassRefPtr.h> 34 #include <wtf/Threading.h> 35 36 namespace WebCore { 37 38 class String; 39 40 extern const int SQLAuthAllow; 41 extern const int SQLAuthIgnore; 42 extern const int SQLAuthDeny; 43 44 class DatabaseAuthorizer : public ThreadSafeShared<DatabaseAuthorizer> { 45 public: create()46 static PassRefPtr<DatabaseAuthorizer> create() { return adoptRef(new DatabaseAuthorizer); } 47 48 int createTable(const String& tableName); 49 int createTempTable(const String& tableName); 50 int dropTable(const String& tableName); 51 int dropTempTable(const String& tableName); 52 int allowAlterTable(const String& databaseName, const String& tableName); 53 54 int createIndex(const String& indexName, const String& tableName); 55 int createTempIndex(const String& indexName, const String& tableName); 56 int dropIndex(const String& indexName, const String& tableName); 57 int dropTempIndex(const String& indexName, const String& tableName); 58 59 int createTrigger(const String& triggerName, const String& tableName); 60 int createTempTrigger(const String& triggerName, const String& tableName); 61 int dropTrigger(const String& triggerName, const String& tableName); 62 int dropTempTrigger(const String& triggerName, const String& tableName); 63 64 int createView(const String& viewName); 65 int createTempView(const String& viewName); 66 int dropView(const String& viewName); 67 int dropTempView(const String& viewName); 68 69 int createVTable(const String& tableName, const String& moduleName); 70 int dropVTable(const String& tableName, const String& moduleName); 71 72 int allowDelete(const String& tableName); 73 int allowInsert(const String& tableName); 74 int allowUpdate(const String& tableName, const String& columnName); 75 int allowTransaction(); 76 allowSelect()77 int allowSelect() { return SQLAuthAllow; } 78 int allowRead(const String& tableName, const String& columnName); 79 80 int allowReindex(const String& indexName); 81 int allowAnalyze(const String& tableName); 82 int allowFunction(const String& functionName); 83 int allowPragma(const String& pragmaName, const String& firstArgument); 84 85 int allowAttach(const String& filename); 86 int allowDetach(const String& databaseName); 87 88 void disable(); 89 void enable(); 90 void setReadOnly(); 91 92 void reset(); 93 lastActionWasInsert()94 bool lastActionWasInsert() const { return m_lastActionWasInsert; } lastActionChangedDatabase()95 bool lastActionChangedDatabase() const { return m_lastActionChangedDatabase; } 96 97 private: 98 DatabaseAuthorizer(); 99 void addWhitelistedFunctions(); 100 int denyBasedOnTableName(const String&); 101 102 bool m_securityEnabled : 1; 103 bool m_lastActionWasInsert : 1; 104 bool m_lastActionChangedDatabase : 1; 105 bool m_readOnly : 1; 106 107 HashSet<String, CaseFoldingHash> m_whitelistedFunctions; 108 }; 109 110 } // namespace WebCore 111 112 #endif // DatabaseAuthorizer_h 113