commit：同步1.3版本

orange-demo-multi-service-for-app/application/gateway/src/main/java/com/orange/demo/gateway/config/SwaggerResourceConfig.java

@@ -0,0 +1,52 @@
+package com.orange.demo.gateway.config;
+
+import lombok.AllArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.cloud.gateway.config.GatewayProperties;
+import org.springframework.cloud.gateway.route.RouteLocator;
+import org.springframework.cloud.gateway.support.NameUtils;
+import org.springframework.context.annotation.Primary;
+import org.springframework.stereotype.Component;
+import springfox.documentation.swagger.web.SwaggerResource;
+import springfox.documentation.swagger.web.SwaggerResourcesProvider;
+
+import java.util.ArrayList;
+import java.util.List;
+
+/***
+ * 返回Swagger UI需要读取的资源数据，这里是微服务的路由数据。
+ *
+ * @author Knife4j Team。
+ * @date 2020-08-08
+ */
+@Slf4j
+@Component
+@Primary
+@AllArgsConstructor
+public class SwaggerResourceConfig implements SwaggerResourcesProvider {
+
+    private final RouteLocator routeLocator;
+    private final GatewayProperties gatewayProperties;
+
+    @Override
+    public List<SwaggerResource> get() {
+        List<SwaggerResource> resources = new ArrayList<>();
+        List<String> routes = new ArrayList<>();
+        routeLocator.getRoutes().subscribe(route -> routes.add(route.getId()));
+        gatewayProperties.getRoutes().stream().filter(routeDefinition -> routes.contains(routeDefinition.getId()))
+                .forEach(route -> route.getPredicates().stream()
+                        .filter(predicateDefinition -> ("Path").equalsIgnoreCase(predicateDefinition.getName()))
+                        .forEach(predicateDefinition -> resources.add(swaggerResource(route.getId(),
+                                predicateDefinition.getArgs().get(NameUtils.GENERATED_NAME_PREFIX + "0")
+                                        .replace("**", "v2/api-docs")))));
+        return resources;
+    }
+
+    private SwaggerResource swaggerResource(String name, String location) {
+        SwaggerResource swaggerResource = new SwaggerResource();
+        swaggerResource.setName(name);
+        swaggerResource.setLocation(location);
+        swaggerResource.setSwaggerVersion("2.0");
+        return swaggerResource;
+    }
+}

orange-demo-multi-service-for-app/application/gateway/src/main/java/com/orange/demo/gateway/filter/AuthenticationPreFilter.java

@@ -50,7 +50,7 @@ public class AuthenticationPreFilter implements GlobalFilter, Ordered {
     /**
      * Ant Pattern模式的白名单地址匹配器。
      */
-    private AntPathMatcher antMatcher = new AntPathMatcher();
+    private final AntPathMatcher antMatcher = new AntPathMatcher();
 
     @Override
     public Mono<Void> filter(ServerWebExchange exchange, GatewayFilterChain chain) {
@@ -148,6 +148,10 @@ public class AuthenticationPreFilter implements GlobalFilter, Ordered {
      * @return 是返回true，否则false。
      */
     private boolean shouldNotFilter(String url) {
+        // 这里过滤和swagger相关的url
+        if (url.endsWith("/v2/api-docs") || url.endsWith("/v2/api-docs-ext")) {
+            return true;
+        }
         if (url.equals(GatewayConstant.ADMIN_LOGIN_URL)) {
             return true;
         }

orange-demo-multi-service-for-app/application/gateway/src/main/java/com/orange/demo/gateway/handler/SwaggerHandler.java

@@ -0,0 +1,53 @@
+package com.orange.demo.gateway.handler;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.http.HttpStatus;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RestController;
+import reactor.core.publisher.Mono;
+import springfox.documentation.swagger.web.*;
+
+import java.util.Optional;
+
+/**
+ * Swagger的资源请求处理器。
+ *
+ * @author Knife4j Team。
+ * @date 2020-08-08
+ */
+@RestController
+public class SwaggerHandler {
+
+    @Autowired(required = false)
+    private SecurityConfiguration securityConfiguration;
+
+    @Autowired(required = false)
+    private UiConfiguration uiConfiguration;
+
+    private final SwaggerResourcesProvider swaggerResources;
+
+    @Autowired
+    public SwaggerHandler(SwaggerResourcesProvider swaggerResources) {
+        this.swaggerResources = swaggerResources;
+    }
+
+    @GetMapping("/swagger-resources/configuration/security")
+    public Mono<ResponseEntity<SecurityConfiguration>> securityConfiguration() {
+        return Mono.just(new ResponseEntity<>(
+                Optional.ofNullable(securityConfiguration)
+                        .orElse(SecurityConfigurationBuilder.builder().build()), HttpStatus.OK));
+    }
+
+    @GetMapping("/swagger-resources/configuration/ui")
+    public Mono<ResponseEntity<UiConfiguration>> uiConfiguration() {
+        return Mono.just(new ResponseEntity<>(
+                Optional.ofNullable(uiConfiguration)
+                        .orElse(UiConfigurationBuilder.builder().build()), HttpStatus.OK));
+    }
+
+    @GetMapping("/swagger-resources")
+    public Mono<ResponseEntity> swaggerResources() {
+        return Mono.just((new ResponseEntity<>(swaggerResources.get(), HttpStatus.OK)));
+    }
+}

orange-demo-multi-service-for-app/application/gateway/src/main/resources/log4j2.xml

@@ -59,6 +59,9 @@
         <Root level="${OUTPUT_LOG_LEVEL}">
             <AppenderRef ref="console"/>
         </Root>
+        <Logger name="springfox.documentation" additivity="false" level="error">
+            <AppenderRef ref="console"/>
+        </Logger>
         <!-- AsyncLogger 是基于Disruptor的全量异步队列，性能极高，队列默认大小4096。-->
         <!-- 队列默认值可通过JVM参数设置，参考博客：https://www.jianshu.com/p/82469047acbf -->
         <AsyncLogger name="com.orange.demo" additivity="false" level="info">