| New file |
| | |
| | | package com.ruoyi.common.core.utils.web; |
| | | |
| | | import com.alibaba.fastjson.JSON; |
| | | import com.ruoyi.common.core.exception.CheckedException; |
| | | import org.bouncycastle.util.encoders.Base64; |
| | | import org.slf4j.Logger; |
| | | import org.slf4j.LoggerFactory; |
| | | import org.springframework.http.HttpHeaders; |
| | | import org.springframework.http.MediaType; |
| | | import org.springframework.http.server.reactive.ServerHttpRequest; |
| | | import org.springframework.util.Assert; |
| | | import org.springframework.web.bind.annotation.ResponseBody; |
| | | import org.springframework.web.context.request.RequestContextHolder; |
| | | import org.springframework.web.context.request.ServletRequestAttributes; |
| | | import org.springframework.web.method.HandlerMethod; |
| | | |
| | | import javax.servlet.http.Cookie; |
| | | import javax.servlet.http.HttpServletRequest; |
| | | import javax.servlet.http.HttpServletResponse; |
| | | import java.io.IOException; |
| | | import java.io.PrintWriter; |
| | | import java.io.UnsupportedEncodingException; |
| | | import java.nio.charset.StandardCharsets; |
| | | |
| | | public class WebUtils extends org.springframework.web.util.WebUtils |
| | | { |
| | | private final Logger logger = LoggerFactory.getLogger(WebUtils.class); |
| | | |
| | | private static final String BASIC_ = "Basic "; |
| | | |
| | | // /** |
| | | // * 判断是否ajax请求 spring ajax 返回含有 ResponseBody 或者 RestController注解 |
| | | // * |
| | | // * @param handlerMethod HandlerMethod |
| | | // * @return 是否ajax请求 |
| | | // */ |
| | | // public boolean isBody(HandlerMethod handlerMethod) |
| | | // { |
| | | // ResponseBody responseBody = ClassUtils.getAnnotation(handlerMethod, ResponseBody.class); |
| | | // return responseBody != null; |
| | | // } |
| | | |
| | | /** |
| | | * 读取cookie |
| | | * |
| | | * @param name cookie name |
| | | * @return cookie value |
| | | */ |
| | | public String getCookieVal(String name) |
| | | { |
| | | HttpServletRequest request = WebUtils.getRequest(); |
| | | Assert.notNull(request, "request from RequestContextHolder is null"); |
| | | return getCookieVal(request, name); |
| | | } |
| | | |
| | | /** |
| | | * 读取cookie |
| | | * |
| | | * @param request HttpServletRequest |
| | | * @param name cookie name |
| | | * @return cookie value |
| | | */ |
| | | public String getCookieVal(HttpServletRequest request, String name) |
| | | { |
| | | Cookie cookie = getCookie(request, name); |
| | | return cookie != null ? cookie.getValue() : null; |
| | | } |
| | | |
| | | /** |
| | | * 清除 某个指定的cookie |
| | | * |
| | | * @param response HttpServletResponse |
| | | * @param key cookie key |
| | | */ |
| | | public void removeCookie(HttpServletResponse response, String key) |
| | | { |
| | | setCookie(response, key, null, 0); |
| | | } |
| | | |
| | | /** |
| | | * 设置cookie |
| | | * |
| | | * @param response HttpServletResponse |
| | | * @param name cookie name |
| | | * @param value cookie value |
| | | * @param maxAgeInSeconds maxage |
| | | */ |
| | | public void setCookie(HttpServletResponse response, String name, String value, int maxAgeInSeconds) |
| | | { |
| | | Cookie cookie = new Cookie(name, value); |
| | | cookie.setPath("/"); |
| | | cookie.setMaxAge(maxAgeInSeconds); |
| | | cookie.setHttpOnly(true); |
| | | response.addCookie(cookie); |
| | | } |
| | | |
| | | /** |
| | | * 获取 HttpServletRequest |
| | | * |
| | | * @return {HttpServletRequest} |
| | | */ |
| | | public static HttpServletRequest getRequest() |
| | | { |
| | | return ((ServletRequestAttributes) RequestContextHolder.getRequestAttributes()).getRequest(); |
| | | } |
| | | |
| | | /** |
| | | * 获取 HttpServletResponse |
| | | * |
| | | * @return {HttpServletResponse} |
| | | */ |
| | | public HttpServletResponse getResponse() |
| | | { |
| | | return ((ServletRequestAttributes) RequestContextHolder.getRequestAttributes()).getResponse(); |
| | | } |
| | | |
| | | /** |
| | | * 返回json |
| | | * |
| | | * @param response HttpServletResponse |
| | | * @param result 结果对象 |
| | | */ |
| | | public void renderJson(HttpServletResponse response, Object result) |
| | | { |
| | | renderJson(response, result, MediaType.APPLICATION_JSON_VALUE); |
| | | } |
| | | |
| | | /** |
| | | * 返回json |
| | | * |
| | | * @param response HttpServletResponse |
| | | * @param result 结果对象 |
| | | * @param contentType contentType |
| | | */ |
| | | public void renderJson(HttpServletResponse response, Object result, String contentType) |
| | | { |
| | | response.setCharacterEncoding("UTF-8"); |
| | | response.setContentType(contentType); |
| | | try (PrintWriter out = response.getWriter()) |
| | | { |
| | | out.append(JSON.toJSONString(result)); |
| | | } |
| | | catch (IOException e) |
| | | { |
| | | logger.error(e.getMessage(), e); |
| | | } |
| | | } |
| | | |
| | | /** |
| | | * 从request 获取CLIENT_ID |
| | | * |
| | | * @return |
| | | * @throws UnsupportedEncodingException |
| | | */ |
| | | public static String[] getClientId(ServerHttpRequest request) throws UnsupportedEncodingException |
| | | { |
| | | String header = request.getHeaders().getFirst(HttpHeaders.AUTHORIZATION); |
| | | |
| | | if (header == null || !header.startsWith(BASIC_)) |
| | | { |
| | | throw new CheckedException("请求头中client信息为空"); |
| | | } |
| | | byte[] base64Token = header.substring(6).getBytes("UTF-8"); |
| | | byte[] decoded; |
| | | try |
| | | { |
| | | decoded = Base64.decode(base64Token); |
| | | } |
| | | catch (IllegalArgumentException e) |
| | | { |
| | | throw new CheckedException("Failed to decode basic authentication token"); |
| | | } |
| | | |
| | | String token = new String(decoded, StandardCharsets.UTF_8); |
| | | |
| | | int delim = token.indexOf(":"); |
| | | |
| | | if (delim == -1) |
| | | { |
| | | throw new CheckedException("Invalid basic authentication token"); |
| | | } |
| | | return new String[] { token.substring(0, delim), token.substring(delim + 1) }; |
| | | } |
| | | } |