package com.doumee.core.annotation.pr;
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import com.doumee.core.utils.Utils;
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import lombok.extern.slf4j.Slf4j;
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import org.springframework.stereotype.Component;
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import org.springframework.util.DigestUtils;
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import javax.servlet.http.HttpServletRequest;
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import java.util.HashMap;
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import java.util.Map;
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/**
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* 默认防重复提交实现
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* @author Eva.Caesar Liu
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* @date 2023/03/21 14:49
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*/
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@Slf4j
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@Component
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public class PreventRepeatDefaultHandler extends PreventRepeatAdapter {
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@Override
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public String sign(HttpServletRequest request) {
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// 获取参数
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Map<String, Object> parameters = this.getParameters(request);
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// 构建参数签名字符串
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StringBuilder signString = new StringBuilder();
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for(String key : parameters.keySet()) {
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signString.append(key).append("=").append(parameters.get(key)).append(";");
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}
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// 参数签名
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return DigestUtils.md5DigestAsHex(signString.toString().getBytes());
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}
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/**
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* 获取参数
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* @author Eva.Caesar Liu
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* @date 2023/03/21 14:49
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*/
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private Map<String, Object> getParameters(HttpServletRequest request) {
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HashMap<String, Object> paramMap = new HashMap<>();
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paramMap.put("REQUEST_URI", request.getRequestURI());
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paramMap.put("USER_TOKEN", String.valueOf(request.getHeader("eva-auth-token")));
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paramMap.put("IP", Utils.User_Client.getIP(request));
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return paramMap;
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}
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}
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