package com.dsh.activity.util;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.stereotype.Component;
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import org.springframework.web.context.request.RequestContextHolder;
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import org.springframework.web.context.request.ServletRequestAttributes;
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import javax.servlet.http.HttpServletRequest;
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@Component
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public class TokenUtil {
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@Autowired
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private RedisUtil redisUtil;
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public Integer getUserIdFormRedis() throws Exception {
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ServletRequestAttributes servletRequestAttributes = (ServletRequestAttributes) RequestContextHolder.getRequestAttributes();
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HttpServletRequest request = servletRequestAttributes.getRequest();
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String requestHeader = request.getHeader("Authorization");
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if (requestHeader != null && requestHeader.startsWith("Bearer ")) {
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requestHeader = requestHeader.substring(requestHeader.indexOf(" ") + 1);
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String key = null;
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int length = requestHeader.length();
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if (length > 32) {
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key = requestHeader.substring(length - 32);
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} else {
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key = requestHeader;
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}
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String value = redisUtil.getValue(key);
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return null != value ? Integer.valueOf(value) : null;
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} else {
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return null;
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}
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}
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}
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