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646dcecd7e
This creates a specified number of tokens of a given schema, with a dryrun option to not persist them. ------------- Created by MOE: https://github.com/google/moe MOE_MIGRATED_REVID=181403775
44 lines
1.4 KiB
Java
44 lines
1.4 KiB
Java
// Copyright 2017 The Nomulus Authors. All Rights Reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package google.registry.util;
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import static com.google.common.base.Preconditions.checkArgument;
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import java.security.SecureRandom;
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import javax.inject.Inject;
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import javax.inject.Named;
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/** Random string generator. */
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public class RandomStringGenerator extends StringGenerator {
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private final SecureRandom random;
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@Inject
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public RandomStringGenerator(@Named("alphabetBase64") String alphabet, SecureRandom random) {
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super(alphabet);
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this.random = random;
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}
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/** Generates a random string of a specified length. */
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@Override
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public String createString(int length) {
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checkArgument(length > 0);
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char[] password = new char[length];
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for (int i = 0; i < length; ++i) {
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password[i] = alphabet.charAt(random.nextInt(alphabet.length()));
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}
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return new String(password);
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}
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}
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