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/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.apache.guacamole.auth.totp.conf;
import org.apache.guacamole.GuacamoleException;
import org.apache.guacamole.GuacamoleServerException;
import org.apache.guacamole.properties.GuacamoleProperty;
import org.apache.guacamole.totp.TOTPGenerator;
/**
* A GuacamoleProperty whose value is a TOTP generation method. The string
* values "sha1", "sha256", and "sha512" are each parsed to their corresponding
* values within the TOTPGenerator.Mode enum. All other string values result in
* parse errors.
*/
public abstract class TOTPModeProperty
implements GuacamoleProperty<TOTPGenerator.Mode> {
@Override
public TOTPGenerator.Mode parseValue(String value)
throws GuacamoleException {
// If no value provided, return null.
if (value == null)
return null;
// SHA1
if (value.equals("sha1"))
return TOTPGenerator.Mode.SHA1;
// SHA256
if (value.equals("sha256"))
return TOTPGenerator.Mode.SHA256;
// SHA512
if (value.equals("sha512"))
return TOTPGenerator.Mode.SHA512;
// The provided value is not legal
throw new GuacamoleServerException("TOTP mode must be one of "
+ "\"sha1\", \"sha256\", or \"sha512\".");
}
}