package com.ruoyi.gateway.filter;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.cloud.gateway.filter.GatewayFilter;
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import org.springframework.cloud.gateway.filter.factory.AbstractGatewayFilterFactory;
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import org.springframework.http.HttpHeaders;
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import org.springframework.http.server.reactive.ServerHttpRequest;
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import org.springframework.http.server.reactive.ServerHttpResponse;
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import org.springframework.stereotype.Component;
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import com.alibaba.fastjson.JSON;
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import com.ruoyi.common.core.utils.StringUtils;
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import com.ruoyi.common.core.web.domain.AjaxResult;
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import com.ruoyi.gateway.service.ValidateCodeService;
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import reactor.core.publisher.Mono;
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/**
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* 验证码过滤器
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*
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* @author ruoyi
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*/
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@Component
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public class ValidateCodeFilter extends AbstractGatewayFilterFactory<Object>
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{
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private final static String AUTH_URL = "/oauth/token";
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@Autowired
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private ValidateCodeService validateCodeService;
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private static final String BASIC_ = "Basic ";
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private static final String CODE = "code";
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private static final String UUID = "uuid";
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@Override
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public GatewayFilter apply(Object config)
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{
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return (exchange, chain) -> {
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ServerHttpRequest request = exchange.getRequest();
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// 非登录请求，不处理
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if (!StringUtils.containsIgnoreCase(request.getURI().getPath(), AUTH_URL))
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{
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return chain.filter(exchange);
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}
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// 消息头存在内容，且不存在验证码参数，不处理
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String header = request.getHeaders().getFirst(HttpHeaders.AUTHORIZATION);
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if (StringUtils.isNotEmpty(header) && StringUtils.startsWith(header, BASIC_)
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&& !request.getQueryParams().containsKey(CODE) && !request.getQueryParams().containsKey(UUID))
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{
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return chain.filter(exchange);
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}
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try
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{
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validateCodeService.checkCapcha(request.getQueryParams().getFirst(CODE),
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request.getQueryParams().getFirst(UUID));
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}
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catch (Exception e)
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{
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ServerHttpResponse response = exchange.getResponse();
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return exchange.getResponse().writeWith(
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Mono.just(response.bufferFactory().wrap(JSON.toJSONBytes(AjaxResult.error(e.getMessage())))));
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}
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return chain.filter(exchange);
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};
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}
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}
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