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+package com.ruoyi.common.core.utils.web;
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+
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+import com.alibaba.fastjson.JSON;
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+import com.ruoyi.common.core.exception.CheckedException;
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+import org.bouncycastle.util.encoders.Base64;
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+import org.slf4j.Logger;
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+import org.slf4j.LoggerFactory;
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+import org.springframework.http.HttpHeaders;
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+import org.springframework.http.MediaType;
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+import org.springframework.http.server.reactive.ServerHttpRequest;
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+import org.springframework.util.Assert;
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+import org.springframework.web.bind.annotation.ResponseBody;
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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 org.springframework.web.method.HandlerMethod;
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+
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+import javax.servlet.http.Cookie;
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+import javax.servlet.http.HttpServletRequest;
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+import javax.servlet.http.HttpServletResponse;
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+import java.io.IOException;
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+import java.io.PrintWriter;
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+import java.io.UnsupportedEncodingException;
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+import java.nio.charset.StandardCharsets;
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+
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+public class WebUtils extends org.springframework.web.util.WebUtils
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+{
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+ private final Logger logger = LoggerFactory.getLogger(WebUtils.class);
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+
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+ private static final String BASIC_ = "Basic ";
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+
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+// /**
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+// * 判断是否ajax请求 spring ajax 返回含有 ResponseBody 或者 RestController注解
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+// *
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+// * @param handlerMethod HandlerMethod
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+// * @return 是否ajax请求
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+// */
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+// public boolean isBody(HandlerMethod handlerMethod)
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+// {
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+// ResponseBody responseBody = ClassUtils.getAnnotation(handlerMethod, ResponseBody.class);
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+// return responseBody != null;
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+// }
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+
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+ /**
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+ * 读取cookie
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+ *
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+ * @param name cookie name
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+ * @return cookie value
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+ */
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+ public String getCookieVal(String name)
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+ {
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+ HttpServletRequest request = WebUtils.getRequest();
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+ Assert.notNull(request, "request from RequestContextHolder is null");
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+ return getCookieVal(request, name);
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+ }
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+
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+ /**
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+ * 读取cookie
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+ *
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+ * @param request HttpServletRequest
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+ * @param name cookie name
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+ * @return cookie value
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+ */
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+ public String getCookieVal(HttpServletRequest request, String name)
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+ {
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+ Cookie cookie = getCookie(request, name);
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+ return cookie != null ? cookie.getValue() : null;
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+ }
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+
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+ /**
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+ * 清除 某个指定的cookie
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+ *
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+ * @param response HttpServletResponse
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+ * @param key cookie key
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+ */
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+ public void removeCookie(HttpServletResponse response, String key)
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+ {
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+ setCookie(response, key, null, 0);
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+ }
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+
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+ /**
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+ * 设置cookie
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+ *
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+ * @param response HttpServletResponse
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+ * @param name cookie name
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+ * @param value cookie value
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+ * @param maxAgeInSeconds maxage
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+ */
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+ public void setCookie(HttpServletResponse response, String name, String value, int maxAgeInSeconds)
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+ {
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+ Cookie cookie = new Cookie(name, value);
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+ cookie.setPath("/");
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+ cookie.setMaxAge(maxAgeInSeconds);
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+ cookie.setHttpOnly(true);
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+ response.addCookie(cookie);
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+ }
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+
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+ /**
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+ * 获取 HttpServletRequest
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+ *
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+ * @return {HttpServletRequest}
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+ */
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+ public static HttpServletRequest getRequest()
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+ {
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+ return ((ServletRequestAttributes) RequestContextHolder.getRequestAttributes()).getRequest();
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+ }
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+
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+ /**
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+ * 获取 HttpServletResponse
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+ *
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+ * @return {HttpServletResponse}
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+ */
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+ public HttpServletResponse getResponse()
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+ {
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+ return ((ServletRequestAttributes) RequestContextHolder.getRequestAttributes()).getResponse();
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+ }
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+
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+ /**
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+ * 返回json
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+ *
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+ * @param response HttpServletResponse
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+ * @param result 结果对象
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+ */
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+ public void renderJson(HttpServletResponse response, Object result)
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+ {
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+ renderJson(response, result, MediaType.APPLICATION_JSON_VALUE);
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+ }
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+
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+ /**
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+ * 返回json
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+ *
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+ * @param response HttpServletResponse
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+ * @param result 结果对象
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+ * @param contentType contentType
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+ */
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+ public void renderJson(HttpServletResponse response, Object result, String contentType)
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+ {
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+ response.setCharacterEncoding("UTF-8");
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+ response.setContentType(contentType);
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+ try (PrintWriter out = response.getWriter())
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+ {
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+ out.append(JSON.toJSONString(result));
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+ }
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+ catch (IOException e)
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+ {
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+ logger.error(e.getMessage(), e);
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+ }
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+ }
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+
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+ /**
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+ * 从request 获取CLIENT_ID
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+ *
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+ * @return
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+ * @throws UnsupportedEncodingException
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+ */
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+ public static String[] getClientId(ServerHttpRequest request) throws UnsupportedEncodingException
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+ {
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+ String header = request.getHeaders().getFirst(HttpHeaders.AUTHORIZATION);
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+
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+ if (header == null || !header.startsWith(BASIC_))
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+ {
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+ throw new CheckedException("请求头中client信息为空");
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+ }
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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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+ {
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+ decoded = Base64.decode(base64Token);
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+ }
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+ catch (IllegalArgumentException e)
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+ {
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+ throw new CheckedException("Failed to decode basic authentication token");
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+ }
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+
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+ String token = new String(decoded, StandardCharsets.UTF_8);
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+
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+ int delim = token.indexOf(":");
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+
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+ if (delim == -1)
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+ {
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+ throw new CheckedException("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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