/*
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* Copyright [2020-2030] [https://www.stylefeng.cn]
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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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*
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* Guns采用APACHE LICENSE 2.0开源协议，您在使用过程中，需要注意以下几点：
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*
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* 1.请不要删除和修改根目录下的LICENSE文件。
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* 2.请不要删除和修改Guns源码头部的版权声明。
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* 3.请保留源码和相关描述文件的项目出处，作者声明等。
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* 4.分发源码时候，请注明软件出处 https://gitee.com/stylefeng/guns
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* 5.在修改包名，模块名称，项目代码等时，请注明软件出处 https://gitee.com/stylefeng/guns
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* 6.若您的项目无法满足以上几点，可申请商业授权
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*/
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package cn.stylefeng.roses.kernel.security.captcha;
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import cn.hutool.core.util.IdUtil;
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import cn.hutool.core.util.StrUtil;
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import cn.stylefeng.roses.kernel.cache.api.CacheOperatorApi;
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import cn.stylefeng.roses.kernel.security.api.ImageCaptchaApi;
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import cn.stylefeng.roses.kernel.security.api.pojo.ImageCaptcha;
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import com.wf.captcha.SpecCaptcha;
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/**
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* 图形验证码实现
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*
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* @author chenjinlong
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* @date 2021/1/15 13:44
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*/
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public class ImageCaptchaService implements ImageCaptchaApi {
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private final CacheOperatorApi<String> cacheOperatorApi;
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public ImageCaptchaService(CacheOperatorApi<String> cacheOperatorApi) {
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this.cacheOperatorApi = cacheOperatorApi;
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}
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@Override
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public ImageCaptcha captcha() {
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SpecCaptcha specCaptcha = new SpecCaptcha(130, 48, 5);
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String verCode = specCaptcha.text().toLowerCase();
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String verKey = IdUtil.simpleUUID();
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cacheOperatorApi.put(verKey, verCode, 120L);
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return ImageCaptcha.builder().verImage(specCaptcha.toBase64()).verKey(verKey).build();
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}
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@Override
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public boolean validateCaptcha(String verKey, String verCode) {
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if (StrUtil.isAllEmpty(verKey, verCode)) {
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return false;
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}
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if (!verCode.trim().toLowerCase().equals(cacheOperatorApi.get(verKey))) {
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return false;
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}
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//删除缓存中验证码
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cacheOperatorApi.remove(verKey);
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return true;
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}
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@Override
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public String getVerCode(String verKey) {
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return cacheOperatorApi.get(verKey);
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}
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}
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