51 lines
2.0 KiB
Java
51 lines
2.0 KiB
Java
/*
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* SPDX-License-Identifier: MIT
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*
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* The MIT License (MIT)
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*
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* Copyright (c) 2015-2021 <Your name and contributors>
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all
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* copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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package com.github.games647.fastlogin.core.hooks;
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import java.security.SecureRandom;
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import java.util.Random;
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import java.util.stream.IntStream;
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public class DefaultPasswordGenerator<P> implements PasswordGenerator<P> {
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private static final int PASSWORD_LENGTH = 8;
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private static final char[] PASSWORD_CHARACTERS = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789"
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.toCharArray();
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private final Random random = new SecureRandom();
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@Override
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public String getRandomPassword(P player) {
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StringBuilder generatedPassword = new StringBuilder(8);
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IntStream.rangeClosed(1, PASSWORD_LENGTH)
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.map(i -> random.nextInt(PASSWORD_CHARACTERS.length - 1))
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.mapToObj(pos -> PASSWORD_CHARACTERS[pos])
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.forEach(generatedPassword::append);
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return generatedPassword.toString();
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}
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}
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