/* Copyright (c) 2001-2010, The HSQL Development Group
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*
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* modification, are permitted provided that the following conditions are met:
*
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* list of conditions and the following disclaimer.
*
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*
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* contributors may be used to endorse or promote products derived from this
* software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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package org.hsqldb.rights;
import org.hsqldb.HsqlNameManager.HsqlName;
import org.hsqldb.Tokens;
import org.hsqldb.error.Error;
import org.hsqldb.error.ErrorCode;
import org.hsqldb.lib.StringConverter;
/**
* A User Object extends Grantee with password for a
* particular database user.<p>
*
* @author Campbell Boucher-Burnett (boucherb@users dot sourceforge.net)
* @author Fred Toussi (fredt@users dot sourceforge.net)
* @author Blaine Simpson (blaine dot simpson at admc dot com)
*
* @version 1.9.0
* @since 1.8.0
*/
public class User extends Grantee {
/** password. */
private String password;
/** default schema when new Sessions started (defaults to PUBLIC schema) */
private HsqlName initialSchema = null;
/**
* Constructor
*/
User(HsqlName name, GranteeManager manager) {
super(name, manager);
if (manager != null) {
updateAllRights();
}
}
public String getSQL() {
StringBuffer sb = new StringBuffer();
sb.append(Tokens.T_CREATE).append(' ').append(Tokens.T_USER);
sb.append(' ').append(granteeName.statementName).append(' ');
sb.append(Tokens.T_PASSWORD).append(' ');
sb.append('\'').append(password).append('\'');
return sb.toString();
}
public long getChangeTimestamp() {
return 0;
}
public void setPassword(String password) {
/** @todo - introduce complexity interface */
// checkComplexity(password);
// requires: UserManager.createSAUser(), UserManager.createPublicUser()
this.password = password;
}
/**
* Checks if this object's password attibute equals
* specified argument, else throws.
*/
public void checkPassword(String value) {
if (!value.equals(password)) {
throw Error.error(ErrorCode.X_28000);
}
}
/**
* Returns the initial schema for the user
*/
public HsqlName getInitialSchema() {
return initialSchema;
}
public HsqlName getInitialOrDefaultSchema() {
if (initialSchema != null) {
return initialSchema;
}
HsqlName schema =
granteeManager.database.schemaManager.findSchemaHsqlName(
getNameString());
if (schema == null) {
return granteeManager.database.schemaManager
.getDefaultSchemaHsqlName();
} else {
return schema;
}
}
/**
* This class does not have access to the SchemaManager, therefore
* caller should verify that the given schemaName exists.
*
* @param schema An existing schema. Null value allowed,
* which means use the DB default session schema.
*/
public void setInitialSchema(HsqlName schema) {
initialSchema = schema;
}
/**
* Returns the ALTER USER DDL character sequence that preserves the
* this user's current password value and mode. <p>
*
* @return the DDL
*/
public String getAlterUserSQL() {
StringBuffer sb = new StringBuffer();
sb.append(Tokens.T_ALTER).append(' ');
sb.append(Tokens.T_USER).append(' ');
sb.append(getStatementName()).append(' ');
sb.append(Tokens.T_SET).append(' ');
sb.append(Tokens.T_PASSWORD).append(' ');
sb.append('"').append(password).append('"');
return sb.toString();
}
public String getInitialSchemaSQL() {
StringBuffer sb = new StringBuffer();
sb.append(Tokens.T_ALTER).append(' ');
sb.append(Tokens.T_USER).append(' ');
sb.append(getStatementName()).append(' ');
sb.append(Tokens.T_SET).append(' ');
sb.append(Tokens.T_INITIAL).append(' ');
sb.append(Tokens.T_SCHEMA).append(' ');
sb.append(initialSchema.statementName);
return sb.toString();
}
/**
* Returns the DDL string
* sequence that creates this user.
*
*/
public String getCreateUserSQL() {
StringBuffer sb = new StringBuffer(64);
sb.append(Tokens.T_CREATE).append(' ');
sb.append(Tokens.T_USER).append(' ');
sb.append(getStatementName()).append(' ');
sb.append(Tokens.T_PASSWORD).append(' ');
sb.append(StringConverter.toQuotedString(password, '"', true));
return sb.toString();
}
/**
* Retrieves the redo log character sequence for connecting
* this user
*
* @return the redo log character sequence for connecting
* this user
*/
public String getConnectUserSQL() {
StringBuffer sb = new StringBuffer();
sb.append(Tokens.T_SET).append(' ');
sb.append(Tokens.T_SESSION).append(' ');
sb.append(Tokens.T_AUTHORIZATION).append(' ');
sb.append(StringConverter.toQuotedString(getNameString(), '\'', true));
return sb.toString();
}
}