Merge WebKit at r75315: Initial merge by git.

Change-Id: I570314b346ce101c935ed22a626b48c2af266b84

1 files changed, 126 insertions, 0 deletions

diff --git a/Source/WebCore/storage/DatabaseAuthorizer.h b/Source/WebCore/storage/DatabaseAuthorizer.h
new file mode 100644
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+++ b/Source/WebCore/storage/DatabaseAuthorizer.h
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+/*
+ * Copyright (C) 2007 Apple Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1.  Redistributions of source code must retain the above copyright
+ *     notice, this list of conditions and the following disclaimer.
+ * 2.  Redistributions in binary form must reproduce the above copyright
+ *     notice, this list of conditions and the following disclaimer in the
+ *     documentation and/or other materials provided with the distribution.
+ * 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of
+ *     its contributors may be used to endorse or promote products derived
+ *     from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+#ifndef DatabaseAuthorizer_h
+#define DatabaseAuthorizer_h
+
+#include "PlatformString.h"
+#include <wtf/Forward.h>
+#include <wtf/HashSet.h>
+#include <wtf/ThreadSafeShared.h>
+#include <wtf/text/StringHash.h>
+
+namespace WebCore {
+
+extern const int SQLAuthAllow;
+extern const int SQLAuthIgnore;
+extern const int SQLAuthDeny;
+
+class DatabaseAuthorizer : public ThreadSafeShared<DatabaseAuthorizer> {
+public:
+
+    enum Permissions {
+        ReadWriteMask = 0,
+        ReadOnlyMask = 1 << 1,
+        NoAccessMask = 1 << 2
+    };
+
+    static PassRefPtr<DatabaseAuthorizer> create(const String& databaseInfoTableName);
+
+    int createTable(const String& tableName);
+    int createTempTable(const String& tableName);
+    int dropTable(const String& tableName);
+    int dropTempTable(const String& tableName);
+    int allowAlterTable(const String& databaseName, const String& tableName);
+
+    int createIndex(const String& indexName, const String& tableName);
+    int createTempIndex(const String& indexName, const String& tableName);
+    int dropIndex(const String& indexName, const String& tableName);
+    int dropTempIndex(const String& indexName, const String& tableName);
+
+    int createTrigger(const String& triggerName, const String& tableName);
+    int createTempTrigger(const String& triggerName, const String& tableName);
+    int dropTrigger(const String& triggerName, const String& tableName);
+    int dropTempTrigger(const String& triggerName, const String& tableName);
+
+    int createView(const String& viewName);
+    int createTempView(const String& viewName);
+    int dropView(const String& viewName);
+    int dropTempView(const String& viewName);
+
+    int createVTable(const String& tableName, const String& moduleName);
+    int dropVTable(const String& tableName, const String& moduleName);
+
+    int allowDelete(const String& tableName);
+    int allowInsert(const String& tableName);
+    int allowUpdate(const String& tableName, const String& columnName);
+    int allowTransaction();
+
+    int allowSelect() { return SQLAuthAllow; }
+    int allowRead(const String& tableName, const String& columnName);
+
+    int allowReindex(const String& indexName);
+    int allowAnalyze(const String& tableName);
+    int allowFunction(const String& functionName);
+    int allowPragma(const String& pragmaName, const String& firstArgument);
+
+    int allowAttach(const String& filename);
+    int allowDetach(const String& databaseName);
+
+    void disable();
+    void enable();
+    void setReadOnly();
+    void setPermissions(int permissions);
+
+    void reset();
+    void resetDeletes();
+
+    bool lastActionWasInsert() const { return m_lastActionWasInsert; }
+    bool lastActionChangedDatabase() const { return m_lastActionChangedDatabase; }
+    bool hadDeletes() const { return m_hadDeletes; }
+
+private:
+    DatabaseAuthorizer(const String& databaseInfoTableName);
+    void addWhitelistedFunctions();
+    int denyBasedOnTableName(const String&) const;
+    int updateDeletesBasedOnTableName(const String&);
+    bool allowWrite();
+
+    int m_permissions;
+    bool m_securityEnabled : 1;
+    bool m_lastActionWasInsert : 1;
+    bool m_lastActionChangedDatabase : 1;
+    bool m_hadDeletes : 1;
+
+    const String m_databaseInfoTableName;
+
+    HashSet<String, CaseFoldingHash> m_whitelistedFunctions;
+};
+
+} // namespace WebCore
+
+#endif // DatabaseAuthorizer_h