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package cn.mb.cloud.auth.security.util;
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import cn.hutool.core.codec.Base64;
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import cn.hutool.core.util.CharsetUtil;
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import lombok.experimental.UtilityClass;
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import lombok.extern.slf4j.Slf4j;
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import org.springframework.http.HttpHeaders;
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import javax.servlet.http.HttpServletRequest;
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import java.io.IOException;
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/**
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* @author jason
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* 认证授权相关工具类
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*/
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@Slf4j
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@UtilityClass
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public class AuthUtils {
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private final String BASIC_ = "Basic";
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/**
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* 从header 请求中的clientId/clientsecect
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*
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* @param header header中的参数
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* @throws RuntimeException if the Basic header is not present or is not valid
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* Base64
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*/
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public String[] extractAndDecodeHeader(String header)
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throws IOException {
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byte[] base64Token = header.substring(6).getBytes("UTF-8");
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byte[] decoded;
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try {
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decoded = Base64.decode(base64Token);
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} catch (IllegalArgumentException e) {
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throw new RuntimeException(
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"Failed to decode basic authentication token");
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}
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String token = new String(decoded, CharsetUtil.UTF_8);
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int delim = token.indexOf(":");
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if (delim == -1) {
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throw new RuntimeException("Invalid basic authentication token");
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}
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return new String[]{token.substring(0, delim), token.substring(delim + 1)};
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}
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/**
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* *从header 请求中的clientId/clientsecect
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*
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* @param request
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* @return
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* @throws IOException
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*/
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public String[] extractAndDecodeHeader(HttpServletRequest request)
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throws IOException {
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String header = request.getHeader(HttpHeaders.AUTHORIZATION);
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if (header == null || !header.startsWith(BASIC_)) {
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throw new RuntimeException("请求头中client信息为空");
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}
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return extractAndDecodeHeader(header);
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}
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}
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