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@ -101,15 +101,14 @@ public class WebMvcConfigurer extends WebMvcConfigurerAdapter { |
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//添加拦截器
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//添加拦截器
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@Override |
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@Override |
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public void addInterceptors(InterceptorRegistry registry) { |
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public void addInterceptors(InterceptorRegistry registry) { |
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//接口签名认证拦截器,该签名认证比较简单,实际项目中建议使用Json Web Token代替。
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//接口签名认证拦截器,该签名认证比较简单,实际项目中可以使用Json Web Token或其他更好的方式替代。
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if (!StringUtils.contains(env, "dev")) { //开发环境忽略签名认证
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if (!StringUtils.contains(env, "dev")) { //开发环境忽略签名认证
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registry.addInterceptor(new HandlerInterceptorAdapter() { |
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registry.addInterceptor(new HandlerInterceptorAdapter() { |
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@Override |
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@Override |
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public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception { |
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public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception { |
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String sign = request.getParameter("sign"); |
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//验证签名
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//验证签名
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if (StringUtils.isNotEmpty(sign) && validateSign(request, sign)) { |
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boolean pass = validateSign(request); |
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if (pass) { |
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return true; |
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return true; |
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} else { |
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} else { |
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logger.warn("签名认证失败,请求接口:{},请求IP:{},请求参数:{}", |
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logger.warn("签名认证失败,请求接口:{},请求IP:{},请求参数:{}", |
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@ -137,32 +136,31 @@ public class WebMvcConfigurer extends WebMvcConfigurerAdapter { |
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} |
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} |
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/** |
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/** |
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* 一个简单的签名认证,规则:请求参数按ASCII码排序后,拼接为a=value&b=value...这样的字符串后进行MD5 |
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* 一个简单的签名认证,规则: |
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* |
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* 1. 将请求参数按ascii码排序 |
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* @param request |
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* 2. 拼接为a=value&b=value...这样的字符串(不包含sign) |
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* @param requestSign |
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* 3. 混合密钥(secret)进行md5获得签名,与请求的签名进行比较 |
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* @return |
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*/ |
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*/ |
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private boolean validateSign(HttpServletRequest request, String requestSign) { |
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private boolean validateSign(HttpServletRequest request) { |
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String requestSign = request.getParameter("sign");//获得请求签名,如sign=19e907700db7ad91318424a97c54ed57
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if (StringUtils.isEmpty(requestSign)) { |
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return false; |
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} |
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List<String> keys = new ArrayList<String>(request.getParameterMap().keySet()); |
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List<String> keys = new ArrayList<String>(request.getParameterMap().keySet()); |
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Collections.sort(keys); |
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keys.remove("sign");//排除sign参数
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Collections.sort(keys);//排序
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String linkString = ""; |
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StringBuilder sb = new StringBuilder(); |
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for (String key : keys) { |
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for (String key : keys) { |
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if (!"sign".equals(key)) { |
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sb.append(key).append("=").append(request.getParameter(key)).append("&");//拼接字符串
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linkString += key + "=" + request.getParameter(key) + "&"; |
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} |
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} |
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} |
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String linkString = sb.toString(); |
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if (StringUtils.isEmpty(linkString)) |
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linkString = StringUtils.substring(linkString, 0, linkString.length() - 1);//去除最后一个'&'
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return false; |
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linkString = linkString.substring(0, linkString.length() - 1); |
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String key = "Potato";//自己修改
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String sign = DigestUtils.md5Hex(linkString + key); |
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return StringUtils.equals(sign, requestSign); |
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String secret = "Potato";//密钥,自己修改
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String sign = DigestUtils.md5Hex(linkString + secret);//混合密钥md5
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return StringUtils.equals(sign, requestSign);//比较
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} |
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} |
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private String getIpAddress(HttpServletRequest request) { |
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private String getIpAddress(HttpServletRequest request) { |
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@ -182,7 +180,7 @@ public class WebMvcConfigurer extends WebMvcConfigurerAdapter { |
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if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) { |
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if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) { |
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ip = request.getRemoteAddr(); |
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ip = request.getRemoteAddr(); |
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} |
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} |
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// 如果是多级代理,那么取第一个ip为客户ip
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// 如果是多级代理,那么取第一个ip为客户端ip
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if (ip != null && ip.indexOf(",") != -1) { |
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if (ip != null && ip.indexOf(",") != -1) { |
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ip = ip.substring(0, ip.indexOf(",")).trim(); |
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ip = ip.substring(0, ip.indexOf(",")).trim(); |
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} |
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} |
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