修改：传参方式修改 half

epmet-commons/epmet-commons-openapi/pom.xml

@@ -1,17 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0"
-         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
-
-    <version>2.0.0</version>
-    <parent>
-        <artifactId>epmet-commons</artifactId>
-        <groupId>com.epmet</groupId>
-        <version>2.0.0</version>
-    </parent>
-    <modelVersion>4.0.0</modelVersion>
-
-    <artifactId>epmet-commons-openapi</artifactId>
-
-
-</project>

epmet-commons/epmet-commons-openapi/src/main/java/com/epmet/commons/openapi/constants/HeaderFieldKeys.java

@@ -1,7 +0,0 @@
-package com.epmet.commons.openapi.constants;
-
-public interface HeaderFieldKeys {
-
-    String APP_ID = "AppId";
-
-}

epmet-commons/epmet-commons-openapi/src/main/java/com/epmet/commons/openapi/constants/RequestBodyFieldKeys.java

@@ -1,10 +0,0 @@
-package com.epmet.commons.openapi.constants;
-
-/**
- * 请求体字段key
- */
-public interface RequestBodyFieldKeys {
-
-    String APP_ID = "appId";
-
-}

epmet-commons/epmet-commons-openapi/src/main/java/com/epmet/commons/openapi/constants/RequestParamKeys.java

@@ -1,11 +0,0 @@
-package com.epmet.commons.openapi.constants;
-
-/**
- * url请求参数key
- */
-public class RequestParamKeys {
-
-    public static String APP_ID = "app_id";
-    public static String AUTH_TYPE = "auth_type";
-
-}

epmet-commons/epmet-commons-security/src/main/java/com/epmet/commons/security/sign/openapi/OpenApiSignUtils.java

@@ -2,10 +2,7 @@ package com.epmet.commons.security.sign.openapi;
 
 import com.epmet.commons.tools.utils.Md5Util;
 
-import java.util.Arrays;
+import java.util.*;
-import java.util.HashMap;
-import java.util.Map;
-import java.util.Set;
 
 /**
  * OpenApi签名工具
@@ -62,16 +59,41 @@ public class OpenApiSignUtils {
         return sb.toString();
     }
 
-
     public static void main(String[] args) {
+        //generateGetAccessTokenSign();
+        generateGetOrgDetailSign();
+    }
+
+    private static void generateGetAccessTokenSign() {
+        long now = System.currentTimeMillis();
+        System.out.println(now);
 
         HashMap<String, String> content = new HashMap<>();
-        content.put("orgId", "aaa");
+        content.put("appId", "7d98b8af2d05752b4225709c4cfd4bd0");
-        content.put("test", "");
+        content.put("timestamp", String.valueOf(now));
+        content.put("nonce", "aaa");
 
         String secret = "3209ee9f41704482be1a1fb5873a25376f2899191ca846119d44168316bc3e44";
 
         String sign = createSign(content, secret);
         System.out.println(sign);
     }
+
+    private static void generateGetOrgDetailSign() {
+        long now = System.currentTimeMillis();
+        String uuid = UUID.randomUUID().toString();
+        System.out.println("时间戳:" + now);
+        System.out.println("随机数:" + uuid);
+
+        HashMap<String, String> content = new HashMap<>();
+        content.put("orgId", "aaa");
+        content.put("test", null);
+        content.put("timestamp", String.valueOf(now));
+        content.put("nonce", uuid);
+
+        String secret = "3209ee9f41704482be1a1fb5873a25376f2899191ca846119d44168316bc3e44";
+
+        String sign = createSign(content, secret);
+        System.out.println("签名：" + sign);
+    }
 }

epmet-commons/epmet-commons-tools/src/main/java/com/epmet/commons/tools/exception/EpmetErrorCode.java

@@ -147,7 +147,9 @@ public enum EpmetErrorCode {
 
 	// open api异常
 	OPEN_API_SIGN_ERROR(9100, "签名错误"),
-	OPEN_API_SIGN_TOKEN_EXPIRED(9101, "Token过期");
+	OPEN_API_TOKEN_EXPIRED(9101, "Token过期"),
+	OPEN_API_PARAMS_MISSING(9102, "参数不完整"),
+	OPEN_API_PARAMS_APPID_DIFF(9103, "app_id不一致"); // app_id在请求参数中和在token中不一致
 
 	private int code;
 	private String msg;

epmet-commons/epmet-commons-tools/src/main/java/com/epmet/commons/tools/redis/RedisKeys.java

@@ -396,4 +396,14 @@ public class RedisKeys {
 	public static String getOpenApiAccessTokenKey(String accessToken) {
 		return rootPrefix.concat("openapi:accesstoken:").concat(accessToken);
 	}
+
+	/**
+	 * @Description 获取OpenApi请求随机数nonce
+	 * @return
+	 * @author wxz
+	 * @date 2021.03.24 17:49
+	*/
+	public static String getOpenApiNonceKey(String nonce) {
+		return rootPrefix.concat("openapi:nonce:").concat(nonce);
+	}
 }

epmet-gateway/src/main/java/com/epmet/auth/ExtAppFetchTokenAuthProcessor.java

@@ -26,25 +26,19 @@ public class ExtAppFetchTokenAuthProcessor extends ExtAppAuthProcessor {
     @Autowired
     private JwtUtils jwtTokenUtils;
 
-    @Autowired
-    private RedisUtils redisUtils;
-
     @Override
     public void auth(String appId, String token, Long ts, ServerWebExchange exchange) {
-        // 这种方式不需要其他平台传appId，因此我们自己从redis中取
-        appId = (String) redisUtils.get(RedisKeys.getOpenApiAccessTokenKey(token));
-
         // 1.token过期校验
         if (StringUtils.isBlank(appId)) {
-            throw new RenException(EpmetErrorCode.OPEN_API_SIGN_TOKEN_EXPIRED.getCode(),
+            throw new RenException(EpmetErrorCode.OPEN_API_TOKEN_EXPIRED.getCode(),
-                    EpmetErrorCode.OPEN_API_SIGN_TOKEN_EXPIRED.getMsg());
+                    EpmetErrorCode.OPEN_API_TOKEN_EXPIRED.getMsg());
         }
 
         String secret = getSecret(appId);
 
         if (jwtTokenUtils.isTokenExpired(jwtTokenUtils.getExpiration(token, secret))) {
-            throw new RenException(EpmetErrorCode.OPEN_API_SIGN_TOKEN_EXPIRED.getCode(),
+            throw new RenException(EpmetErrorCode.OPEN_API_TOKEN_EXPIRED.getCode(),
-                    EpmetErrorCode.OPEN_API_SIGN_TOKEN_EXPIRED.getMsg());
+                    EpmetErrorCode.OPEN_API_TOKEN_EXPIRED.getMsg());
         }
 
         // 2.验签
@@ -53,14 +47,19 @@ public class ExtAppFetchTokenAuthProcessor extends ExtAppAuthProcessor {
 
         // 2. 获取claims
         Claims claims = jwtTokenUtils.getClaimByToken(token, secret);
-        appId = claims.get("appId", String.class);
+        String appIdInAccessToken = claims.get("appId", String.class);
 
-        if (!StringUtils.isBlank(appId)) {
+        if (!appId.equals(appIdInAccessToken)) {
+            // 参数列表的appId和token中封装的不一致
+            throw new RenException(EpmetErrorCode.OPEN_API_TOKEN_EXPIRED.getCode(),
+                    EpmetErrorCode.OPEN_API_TOKEN_EXPIRED.getMsg());
+        }
+
+        // 3.将app_id放入header中
         ServerHttpRequest.Builder mutate = exchange.getRequest().mutate();
         mutate.header("AppId", appId);
         exchange.mutate().request(mutate.build()).build();
     }
-    }
 
     /**
      * @Description 获取秘钥

epmet-gateway/src/main/java/com/epmet/auth/ExternalAuthProcessor.java

@@ -4,6 +4,7 @@ import com.epmet.commons.tools.exception.EpmetErrorCode;
 import com.epmet.commons.tools.exception.ExceptionUtils;
 import com.epmet.commons.tools.exception.RenException;
 import com.epmet.filter.CpProperty;
+import com.epmet.utils.ServerHttpRequestUtils;
 import org.apache.commons.lang3.StringUtils;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
@@ -13,6 +14,7 @@ import org.springframework.http.HttpHeaders;
 import org.springframework.http.server.reactive.ServerHttpRequest;
 import org.springframework.stereotype.Component;
 import org.springframework.util.AntPathMatcher;
+import org.springframework.util.MultiValueMap;
 import org.springframework.web.server.ServerWebExchange;
 
 /**
@@ -67,6 +69,7 @@ public class ExternalAuthProcessor extends AuthProcessor {
         for (String url : cpProperty.getExternalOpenUrls()) {
             if (antPathMatcher.match(url, requestUri)) {
                 inPaths = true;
+                break;
             }
         }
 
@@ -74,6 +77,13 @@ public class ExternalAuthProcessor extends AuthProcessor {
             throw new RenException(EpmetErrorCode.ERR401.getCode(), "所请求的url并未对外部应用开放");
         }
 
+        // 放行白名单
+        for (String url : cpProperty.getExternalAuthUrlsWhiteList()) {
+            if (antPathMatcher.match(url, requestUri)) {
+                return exchange;
+            }
+        }
+
         HttpHeaders headers = request.getHeaders();
 
         String token = headers.getFirst(ACCESS_TOKEN_HEADER_KEY);
@@ -99,7 +109,12 @@ public class ExternalAuthProcessor extends AuthProcessor {
                 }
                 md5AuthProcessor.auth(appId, token, StringUtils.isNotBlank(ts) ? new Long(ts) : null, exchange);
             } else if (APP_AUTH_TYPE_FETCH_TOKEN.equals(authType)) {
-                fetchTokenAuthProcessor.auth(null, token, StringUtils.isNotBlank(ts) ? new Long(ts) : null, exchange);
+                String paramName = "app_id";
+                String appId = ServerHttpRequestUtils.getRequestParam(request, paramName);
+                if (StringUtils.isBlank(appId)) {
+                    throw new RenException(EpmetErrorCode.OPEN_API_PARAMS_MISSING.getCode(),"缺少参数".concat(paramName));
+                }
+                fetchTokenAuthProcessor.auth(appId, token, StringUtils.isNotBlank(ts) ? new Long(ts) : null, exchange);
             } else {
                 throw new RenException(EpmetErrorCode.OPER_EXTERNAL_APP_AUTH_ERROR.getCode(), "未知的外部认证类型");
             }

epmet-gateway/src/main/java/com/epmet/filter/CpAuthGatewayFilterFactory.java

@@ -10,6 +10,7 @@ import com.epmet.commons.tools.utils.IpUtils;
 import com.epmet.commons.tools.utils.Result;
 import com.epmet.constant.AuthTypeConstant;
 import com.epmet.constant.TokenHeaderKeyConstant;
+import com.epmet.utils.ServerHttpRequestUtils;
 import org.apache.commons.lang3.StringUtils;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
@@ -111,6 +112,11 @@ public class CpAuthGatewayFilterFactory extends AbstractGatewayFilterFactory<CpA
 		//	}
 		//}
 
+		String authType = ServerHttpRequestUtils.getRequestParam(request, RequestBodyField.);
+		if (StringUtils.isNotBlank(authType) && ExternalAuthProcessor.APP_AUTH_TYPE_FETCH_TOKEN.equals(authType)) {
+			return AuthTypeConstant.AUTH_TYPE_EXTERNAL;
+		}
+
 		boolean needExternal = StringUtils.isNotBlank(request.getHeaders().getFirst(TokenHeaderKeyConstant.ACCESS_TOKEN_HEADER_KEY));
 		boolean needInternal = StringUtils.isNotBlank(request.getHeaders().getFirst(TokenHeaderKeyConstant.AUTHORIZATION_TOKEN_HEADER_KEY));
 

epmet-gateway/src/main/java/com/epmet/filter/CpProperty.java

@@ -32,6 +32,11 @@ public class CpProperty {
      */
     private List<String> externalOpenUrls;
 
+    /**
+     * 对外开放url白名单
+     */
+    private List<String> externalAuthUrlsWhiteList;
+
     /**
      * 不处理token，直接通过
      */

epmet-gateway/src/main/java/com/epmet/utils/ServerHttpRequestUtils.java

@@ -0,0 +1,19 @@
+package com.epmet.utils;
+
+import org.springframework.http.server.reactive.ServerHttpRequest;
+import org.springframework.util.MultiValueMap;
+
+public class ServerHttpRequestUtils {
+
+    /**
+     * @Description 从url中获取appId
+     * @return
+     * @author wxz
+     * @date 2021.03.25 15:13
+     */
+    public static String getRequestParam(ServerHttpRequest request, String paramName) {
+        MultiValueMap<String, String> queryParams = request.getQueryParams();
+        return queryParams.getFirst(paramName);
+    }
+
+}

epmet-gateway/src/main/resources/bootstrap.yml

@@ -474,6 +474,11 @@ epmet:
     - /epmetuser/customerstaff/customerlist
     - /message/template/**
     - /data/aggregator/project/projectdistribution
+
+  # 对外开放接口认证白名单
+  externalAuthUrlsWhiteList:
+    - /epmet/ext/open-api/get-access-token
+
   swaggerUrls:
 
 jwt:

epmet-module/epmet-ext/epmet-ext-client/src/main/java/com/epmet/dto/form/AccessTokenFormDTO.java

@@ -1,17 +1,12 @@
 package com.epmet.dto.form;
 
+import com.epmet.dto.form.openapi.OpenApiBaseFormDTO;
 import lombok.Data;
 
 import javax.validation.constraints.NotBlank;
 
 @Data
-public class AccessTokenFormDTO {
+public class AccessTokenFormDTO extends OpenApiBaseFormDTO {
-
-    public interface GetAccessTokenGroup {}
-
-    // 签名字符串密文
-    @NotBlank(message = "签名字段不能为空", groups = { GetAccessTokenGroup.class })
-    private String sign;
 
     // 应用id
     @NotBlank(message = "AppId字段不能为空", groups = { GetAccessTokenGroup.class })

epmet-module/epmet-ext/epmet-ext-client/src/main/java/com/epmet/dto/form/openapi/OpenApiBaseFormDTO.java

@@ -2,12 +2,30 @@ package com.epmet.dto.form.openapi;
 
 import lombok.Data;
 
+import javax.validation.constraints.NotBlank;
+import javax.validation.constraints.NotNull;
+
 /**
  * open api基础类
  */
 @Data
 public class OpenApiBaseFormDTO {
 
+    public interface GetAccessTokenGroup {}
+
+    @NotBlank(message = "签名不能为空", groups = { GetAccessTokenGroup.class })
     private String sign;
 
+    /**
+     * 时间戳，ms
+     */
+    @NotNull(message = "时间戳不能为空", groups = { GetAccessTokenGroup.class })
+    private Long timestamp;
+
+    /**
+     * 随机数，每次请求唯一
+     */
+    @NotBlank(message = "随机字段nonce不能为空", groups = { GetAccessTokenGroup.class })
+    private String nonce;
+
 }

epmet-module/epmet-ext/epmet-ext-server/src/main/java/com/epmet/aspect/OpenApiCheckSignAspect.java → epmet-module/epmet-ext/epmet-ext-server/src/main/java/com/epmet/aspect/OpenApiRequestCheckAspect.java

@@ -26,6 +26,7 @@ import org.springframework.web.context.request.ServletRequestAttributes;
 
 import javax.servlet.http.HttpServletRequest;
 import java.beans.IntrospectionException;
+import java.lang.reflect.Field;
 import java.lang.reflect.InvocationTargetException;
 import java.lang.reflect.Method;
 import java.lang.reflect.Parameter;
@@ -33,10 +34,15 @@ import java.util.Arrays;
 import java.util.Map;
 import java.util.Set;
 
+/**
+ * OpenApi检查请求切面
+ * 1.验签防止参数篡改
+ * 2.timestamp+nonce防止请求重放攻击
+ */
 @Aspect
 @Component
 @Order(1)
-public class OpenApiCheckSignAspect {
+public class OpenApiRequestCheckAspect {
 
     @Autowired
     private RedisUtils redisUtils;
@@ -53,27 +59,60 @@ public class OpenApiCheckSignAspect {
      * @date 2021.03.24 13:39
     */
     @Before("execution(* com.epmet.controller.*Controller*.*(..)) && @annotation(com.epmet.annotation.OpenApiCheckSign)")
-    public void checkSign(JoinPoint point) {
+    public void check(JoinPoint point) {
         Object[] args = point.getArgs();
         MethodSignature methodSignature = (MethodSignature) point.getSignature();
         Method method = methodSignature.getMethod();
         Parameter[] parameters = method.getParameters();
+
+        HttpServletRequest request = getRequest();
+        String appId = request.getHeader("AppId");
+
         for (int i = 0; i < parameters.length; i++) {
             if (parameters[i].isAnnotationPresent(RequestBody.class)) {
-                Map<String, String> argMap = null;
+                Map<String, String> argMap;
                 try {
                     argMap = ConvertUtils.entityToMap(args[i]);
                 } catch (Exception e) {
                     throw new RenException("验签参数转化发生异常");
                 }
-                if (!OpenApiSignUtils.checkSign(argMap, getSecret(getAppId()))) {
+
+                argMap.put("");
+
+                if (!OpenApiSignUtils.checkSign(argMap, getSecret(appId))) {
                     // 验签失败
                     throw new RenException(EpmetErrorCode.OPEN_API_SIGN_ERROR.getCode());
                 }
+                checkRepeatRequest(argMap);
             }
         }
     }
 
+    /**
+     * 检查请求重放
+     * @param argMap
+     */
+    void checkRepeatRequest(Map<String, String> argMap) {
+        String timestampStr = argMap.get("timestamp");
+        if (StringUtils.isBlank(timestampStr)) {
+            throw new RenException(EpmetErrorCode.OPEN_API_PARAMS_MISSING.getCode());
+        }
+        long timestamp = Long.valueOf(timestampStr).longValue();
+        long now = System.currentTimeMillis();
+        long requestTimeDiff = 60000;
+        if (Math.abs(now - timestamp) > requestTimeDiff) {
+            // 只允许1分钟之内的请求，允许服务器之间时差为1分钟
+            throw new RenException(String.format("请求已过时，允许时差为%s ms", requestTimeDiff));
+        }
+        String nonce = argMap.get("nonce");
+        String nonceInCache = redisUtils.getString(RedisKeys.getOpenApiNonceKey(nonce));
+        if (StringUtils.isNotBlank(nonceInCache)) {
+            throw new RenException("请求重复");
+        }
+        //将nonce缓存到redis，有效期1分钟
+        redisUtils.set(RedisKeys.getOpenApiNonceKey(nonce), "1", requestTimeDiff);
+    }
+
     /**
      * @return
      * @Description 取secret
@@ -114,12 +153,42 @@ public class OpenApiCheckSignAspect {
      * @author wxz
      * @date 2021.03.24 12:53
      */
-    public String getAppId() {
+    //public String getAppId(Parameter[] parameters, Object[] args) {
-        HttpServletRequest request = getRequest();
+    //    HttpServletRequest request = getRequest();
-        String appId = request.getHeader("AppId");
+    //    String appId = request.getHeader("AppId");
-        if (StringUtils.isBlank(appId)) {
+    //    if (StringUtils.isBlank(appId)) {
-            throw new RenException("请求头中未携带AppId");
+    //        for (int i = 0; i < parameters.length; i++) {
-        }
+    //            if (parameters[i].isAnnotationPresent(RequestBody.class)) {
-        return appId;
+    //                Object arg = args[i];
+    //                try {
+    //                    appId = getAppIdFromDTO(arg);
+    //                } catch (IllegalAccessException e) {
+    //                    e.printStackTrace();
+    //                }
+    //            }
+    //        }
+    //    }
+    //    if (StringUtils.isBlank(appId)) {
+    //        throw new RenException("未携带AppId");
+    //    }
+    //    return appId;
+    //}
+
+    //private String getAppIdFromDTO(Object dto) throws IllegalAccessException {
+    //    Field[] declaredFields = dto.getClass().getDeclaredFields();
+    //    for (int i = 0; i < declaredFields.length; i++) {
+    //        Field field = declaredFields[i];
+    //        String fieldName = field.getName();
+    //        if ("appId".equals(fieldName)) {
+    //            field.setAccessible(true);
+    //            String value = (String) field.get(dto);
+    //            return value;
+    //        }
+    //    }
+    //    return null;
+    //}
+
+    public static void main(String[] args) {
+        System.out.println(System.currentTimeMillis());
     }
 }

epmet-module/epmet-ext/epmet-ext-server/src/main/java/com/epmet/controller/OpenApiAccessTokenController.java

@@ -1,5 +1,6 @@
 package com.epmet.controller;
 
+import com.epmet.annotation.OpenApiCheckSign;
 import com.epmet.commons.security.sign.openapi.OpenApiSignUtils;
 import com.epmet.commons.tools.exception.EpmetErrorCode;
 import com.epmet.commons.tools.exception.ExceptionUtils;
@@ -10,6 +11,7 @@ import com.epmet.commons.tools.utils.ConvertUtils;
 import com.epmet.commons.tools.utils.Result;
 import com.epmet.commons.tools.validator.ValidatorUtils;
 import com.epmet.dto.form.AccessTokenFormDTO;
+import com.epmet.dto.form.openapi.OpenApiBaseFormDTO;
 import com.epmet.feign.EpmetCommonServiceOpenFeignClient;
 import com.epmet.service.OpenApiAccessTokenService;
 import org.apache.commons.lang3.StringUtils;
@@ -45,10 +47,11 @@ public class OpenApiAccessTokenController {
      * @author wxz
      * @date 2021.03.23 09:52
     */
+    @OpenApiCheckSign
     @PostMapping("get-access-token")
     public Result<String> getAccessToken(@RequestBody AccessTokenFormDTO input) {
         // 1.校验参数
-        ValidatorUtils.validateEntity(input);
+        ValidatorUtils.validateEntity(input, OpenApiBaseFormDTO.GetAccessTokenGroup.class);
         String appId = input.getAppId();
 
         // 2.取secret
@@ -65,21 +68,6 @@ public class OpenApiAccessTokenController {
             redisUtils.set(RedisKeys.getExternalAppSecretKey(appId), secret);
         }
 
-        // 3.验签
-        try {
-            if (!OpenApiSignUtils.checkSign(ConvertUtils.entityToMap(input), secret)) {
-                throw new RenException(EpmetErrorCode.OPEN_API_SIGN_ERROR.getCode(), EpmetErrorCode.OPEN_API_SIGN_ERROR.getMsg());
-            }
-        } catch (RenException e) {
-            // 如果是自己抛出的异常则继续抛出
-            throw e;
-        } catch (Exception e) {
-            // 是其他意外发生的异常
-            String errorStackTrace = ExceptionUtils.getErrorStackTrace(e);
-            logger.error("验签发生未知异常:{}", errorStackTrace);
-            throw new RenException("验签发生未知异常，请查看ext服务详细日志");
-        }
-
         //4.生成token
         String accessToken = openApiAccessTokenService.getAccessToken(appId, secret);
         return new Result<String>().ok(accessToken);