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gateway
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init gateway

master
冯凯 2023-11-19 10:05:36 +08:00
commit 2141507046
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.gitignore vendored 100644
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######################################################################
# Build Tools
.gradle
/build/
!gradle/wrapper/gradle-wrapper.jar
target/
!.mvn/wrapper/maven-wrapper.jar
######################################################################
# IDE
### STS ###
.apt_generated
.classpath
.factorypath
.project
.settings
.springBeans
### IntelliJ IDEA ###
.idea
*.iws
*.iml
*.ipr
### JRebel ###
rebel.xml
### NetBeans ###
nbproject/private/
build/*
nbbuild/
dist/
nbdist/
.nb-gradle/
######################################################################
# Others
*.log
*.xml.versionsBackup
*.swp
!*/build/*.java
!*/build/*.html
!*/build/*.xml

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pom.xml 100644
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<project xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns="http://maven.apache.org/POM/4.0.0"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<parent>
<groupId>com.dragon</groupId>
<artifactId>dragon-parent</artifactId>
<version>3.6.3</version>
</parent>
<version>3.6.3</version>
<modelVersion>4.0.0</modelVersion>
<artifactId>dragon-gateway</artifactId>
<description>
dragon-gateway网关模块
</description>
<dependencies>
<!-- SpringCloud Gateway -->
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-starter-gateway</artifactId>
</dependency>
<!-- SpringCloud Alibaba Nacos -->
<dependency>
<groupId>com.alibaba.cloud</groupId>
<artifactId>spring-cloud-starter-alibaba-nacos-discovery</artifactId>
</dependency>
<!-- SpringCloud Alibaba Nacos Config -->
<dependency>
<groupId>com.alibaba.cloud</groupId>
<artifactId>spring-cloud-starter-alibaba-nacos-config</artifactId>
</dependency>
<!-- SpringCloud Alibaba Sentinel -->
<dependency>
<groupId>com.alibaba.cloud</groupId>
<artifactId>spring-cloud-starter-alibaba-sentinel</artifactId>
</dependency>
<!-- SpringCloud Alibaba Sentinel Gateway -->
<dependency>
<groupId>com.alibaba.cloud</groupId>
<artifactId>spring-cloud-alibaba-sentinel-gateway</artifactId>
</dependency>
<!-- Sentinel Datasource Nacos -->
<dependency>
<groupId>com.alibaba.csp</groupId>
<artifactId>sentinel-datasource-nacos</artifactId>
</dependency>
<!-- SpringBoot Actuator -->
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-actuator</artifactId>
</dependency>
<!-- SpringCloud Loadbalancer -->
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-loadbalancer</artifactId>
</dependency>
<!--验证码 -->
<dependency>
<groupId>pro.fessional</groupId>
<artifactId>kaptcha</artifactId>
</dependency>
<!-- Dragon Common Redis-->
<dependency>
<groupId>com.dragon</groupId>
<artifactId>dragon-common-redis</artifactId>
</dependency>
<!-- Swagger -->
<dependency>
<groupId>io.springfox</groupId>
<artifactId>springfox-swagger-ui</artifactId>
<version>${swagger.fox.version}</version>
</dependency>
<dependency>
<groupId>io.springfox</groupId>
<artifactId>springfox-swagger2</artifactId>
<version>${swagger.fox.version}</version>
</dependency>
</dependencies>
<build>
<finalName>${project.artifactId}</finalName>
<plugins>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
<executions>
<execution>
<goals>
<goal>repackage</goal>
</goals>
</execution>
</executions>
</plugin>
<!--当deploy时候忽略此model-->
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-deploy-plugin</artifactId>
<configuration>
<skip>true</skip>
</configuration>
</plugin>
</plugins>
</build>
</project>

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src/main/java/com/dragon/gateway/DragonGatewayApplication.java 100644
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package com.dragon.gateway;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.boot.autoconfigure.jdbc.DataSourceAutoConfiguration;
/**
* 网关启动程序
*
* @author dragon
*/
@SpringBootApplication(exclude = {DataSourceAutoConfiguration.class})
public class DragonGatewayApplication {
public static void main(String[] args) {
SpringApplication.run(DragonGatewayApplication.class, args);
}
}

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src/main/java/com/dragon/gateway/config/CaptchaConfig.java 100644
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package com.dragon.gateway.config;
import com.google.code.kaptcha.impl.DefaultKaptcha;
import com.google.code.kaptcha.util.Config;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import java.util.Properties;
import static com.google.code.kaptcha.Constants.*;
/**
* 验证码配置
*
* @author dragon
*/
@Configuration
public class CaptchaConfig {
@Bean(name = "captchaProducer")
public DefaultKaptcha getKaptchaBean() {
DefaultKaptcha defaultKaptcha = new DefaultKaptcha();
Properties properties = new Properties();
// 是否有边框 默认为true 我们可以自己设置yes，no
properties.setProperty(KAPTCHA_BORDER, "yes");
// 验证码文本字符颜色 默认为Color.BLACK
properties.setProperty(KAPTCHA_TEXTPRODUCER_FONT_COLOR, "black");
// 验证码图片宽度 默认为200
properties.setProperty(KAPTCHA_IMAGE_WIDTH, "160");
// 验证码图片高度 默认为50
properties.setProperty(KAPTCHA_IMAGE_HEIGHT, "60");
// 验证码文本字符大小 默认为40
properties.setProperty(KAPTCHA_TEXTPRODUCER_FONT_SIZE, "38");
// KAPTCHA_SESSION_KEY
properties.setProperty(KAPTCHA_SESSION_CONFIG_KEY, "kaptchaCode");
// 验证码文本字符长度 默认为5
properties.setProperty(KAPTCHA_TEXTPRODUCER_CHAR_LENGTH, "4");
// 验证码文本字体样式 默认为new Font("Arial", 1, fontSize), new Font("Courier", 1, fontSize)
properties.setProperty(KAPTCHA_TEXTPRODUCER_FONT_NAMES, "Arial,Courier");
// 图片样式 水纹com.google.code.kaptcha.impl.WaterRipple 鱼眼com.google.code.kaptcha.impl.FishEyeGimpy 阴影com.google.code.kaptcha.impl.ShadowGimpy
properties.setProperty(KAPTCHA_OBSCURIFICATOR_IMPL, "com.google.code.kaptcha.impl.ShadowGimpy");
Config config = new Config(properties);
defaultKaptcha.setConfig(config);
return defaultKaptcha;
}
@Bean(name = "captchaProducerMath")
public DefaultKaptcha getKaptchaBeanMath() {
DefaultKaptcha defaultKaptcha = new DefaultKaptcha();
Properties properties = new Properties();
// 是否有边框 默认为true 我们可以自己设置yes，no
properties.setProperty(KAPTCHA_BORDER, "yes");
// 边框颜色 默认为Color.BLACK
properties.setProperty(KAPTCHA_BORDER_COLOR, "105,179,90");
// 验证码文本字符颜色 默认为Color.BLACK
properties.setProperty(KAPTCHA_TEXTPRODUCER_FONT_COLOR, "blue");
// 验证码图片宽度 默认为200
properties.setProperty(KAPTCHA_IMAGE_WIDTH, "160");
// 验证码图片高度 默认为50
properties.setProperty(KAPTCHA_IMAGE_HEIGHT, "60");
// 验证码文本字符大小 默认为40
properties.setProperty(KAPTCHA_TEXTPRODUCER_FONT_SIZE, "35");
// KAPTCHA_SESSION_KEY
properties.setProperty(KAPTCHA_SESSION_CONFIG_KEY, "kaptchaCodeMath");
// 验证码文本生成器
properties.setProperty(KAPTCHA_TEXTPRODUCER_IMPL, "com.dragon.gateway.config.KaptchaTextCreator");
// 验证码文本字符间距 默认为2
properties.setProperty(KAPTCHA_TEXTPRODUCER_CHAR_SPACE, "3");
// 验证码文本字符长度 默认为5
properties.setProperty(KAPTCHA_TEXTPRODUCER_CHAR_LENGTH, "6");
// 验证码文本字体样式 默认为new Font("Arial", 1, fontSize), new Font("Courier", 1, fontSize)
properties.setProperty(KAPTCHA_TEXTPRODUCER_FONT_NAMES, "Arial,Courier");
// 验证码噪点颜色 默认为Color.BLACK
properties.setProperty(KAPTCHA_NOISE_COLOR, "white");
// 干扰实现类
properties.setProperty(KAPTCHA_NOISE_IMPL, "com.google.code.kaptcha.impl.NoNoise");
// 图片样式 水纹com.google.code.kaptcha.impl.WaterRipple 鱼眼com.google.code.kaptcha.impl.FishEyeGimpy 阴影com.google.code.kaptcha.impl.ShadowGimpy
properties.setProperty(KAPTCHA_OBSCURIFICATOR_IMPL, "com.google.code.kaptcha.impl.ShadowGimpy");
Config config = new Config(properties);
defaultKaptcha.setConfig(config);
return defaultKaptcha;
}
}

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src/main/java/com/dragon/gateway/config/GatewayConfig.java 100644
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package com.dragon.gateway.config;
import com.dragon.gateway.handler.SentinelFallbackHandler;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.core.Ordered;
import org.springframework.core.annotation.Order;
/**
* 网关限流配置
*
* @author dragon
*/
@Configuration
public class GatewayConfig {
@Bean
@Order(Ordered.HIGHEST_PRECEDENCE)
public SentinelFallbackHandler sentinelGatewayExceptionHandler() {
return new SentinelFallbackHandler();
}
}

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src/main/java/com/dragon/gateway/config/KaptchaTextCreator.java 100644
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package com.dragon.gateway.config;
import com.google.code.kaptcha.text.impl.DefaultTextCreator;
import java.util.Random;
/**
* 验证码文本生成器
*
* @author dragon
*/
public class KaptchaTextCreator extends DefaultTextCreator {
private static final String[] CNUMBERS = "0,1,2,3,4,5,6,7,8,9,10".split(",");
@Override
public String getText() {
Integer result = 0;
Random random = new Random();
int x = random.nextInt(10);
int y = random.nextInt(10);
StringBuilder suChinese = new StringBuilder();
int randomoperands = random.nextInt(3);
if (randomoperands == 0) {
result = x * y;
suChinese.append(CNUMBERS[x]);
suChinese.append("*");
suChinese.append(CNUMBERS[y]);
} else if (randomoperands == 1) {
if ((x != 0) && y % x == 0) {
result = y / x;
suChinese.append(CNUMBERS[y]);
suChinese.append("/");
suChinese.append(CNUMBERS[x]);
} else {
result = x + y;
suChinese.append(CNUMBERS[x]);
suChinese.append("+");
suChinese.append(CNUMBERS[y]);
}
} else if (randomoperands == 2) {
if (x >= y) {
result = x - y;
suChinese.append(CNUMBERS[x]);
suChinese.append("-");
suChinese.append(CNUMBERS[y]);
} else {
result = y - x;
suChinese.append(CNUMBERS[y]);
suChinese.append("-");
suChinese.append(CNUMBERS[x]);
}
} else {
result = x + y;
suChinese.append(CNUMBERS[x]);
suChinese.append("+");
suChinese.append(CNUMBERS[y]);
}
suChinese.append("=?@" + result);
return suChinese.toString();
}
}

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src/main/java/com/dragon/gateway/config/RouterFunctionConfiguration.java 100644
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package com.dragon.gateway.config;
import com.dragon.gateway.handler.ValidateCodeHandler;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.http.MediaType;
import org.springframework.web.reactive.function.server.RequestPredicates;
import org.springframework.web.reactive.function.server.RouterFunction;
import org.springframework.web.reactive.function.server.RouterFunctions;
/**
* 路由配置信息
*
* @author dragon
*/
@Configuration
public class RouterFunctionConfiguration {
@Autowired
private ValidateCodeHandler validateCodeHandler;
@SuppressWarnings("rawtypes")
@Bean
public RouterFunction routerFunction() {
return RouterFunctions.route(
RequestPredicates.GET("/code").and(RequestPredicates.accept(MediaType.TEXT_PLAIN)),
validateCodeHandler);
}
}

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src/main/java/com/dragon/gateway/config/SwaggerProvider.java 100644
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package com.dragon.gateway.config;
import org.springframework.beans.factory.annotation.Autowired;
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.Lazy;
import org.springframework.stereotype.Component;
import org.springframework.web.reactive.config.ResourceHandlerRegistry;
import org.springframework.web.reactive.config.WebFluxConfigurer;
import springfox.documentation.swagger.web.SwaggerResource;
import springfox.documentation.swagger.web.SwaggerResourcesProvider;
import java.util.ArrayList;
import java.util.List;
/**
* 聚合系统接口
*
* @author dragon
*/
@Component
public class SwaggerProvider implements SwaggerResourcesProvider, WebFluxConfigurer {
/**
* Swagger2默认的url后缀
*/
public static final String SWAGGER2URL = "/v2/api-docs";
/**
* 网关路由
*/
@Lazy
@Autowired
private RouteLocator routeLocator;
@Autowired
private GatewayProperties gatewayProperties;
/**
* 聚合其他服务接口
*
* @return
*/
@Override
public List<SwaggerResource> get() {
List<SwaggerResource> resourceList = new ArrayList<>();
List<String> routes = new ArrayList<>();
// 获取网关中配置的route
routeLocator.getRoutes().subscribe(route -> routes.add(route.getId()));
gatewayProperties.getRoutes().stream()
.filter(routeDefinition -> routes
.contains(routeDefinition.getId()))
.forEach(routeDefinition -> routeDefinition.getPredicates().stream()
.filter(predicateDefinition -> "Path".equalsIgnoreCase(predicateDefinition.getName()))
.filter(predicateDefinition -> !"dragon-auth".equalsIgnoreCase(routeDefinition.getId()))
.forEach(predicateDefinition -> resourceList
.add(swaggerResource(routeDefinition.getId(), predicateDefinition.getArgs()
.get(NameUtils.GENERATED_NAME_PREFIX + "0").replace("/**", SWAGGER2URL)))));
return resourceList;
}
private SwaggerResource swaggerResource(String name, String location) {
SwaggerResource swaggerResource = new SwaggerResource();
swaggerResource.setName(name);
swaggerResource.setLocation(location);
swaggerResource.setSwaggerVersion("2.0");
return swaggerResource;
}
@Override
public void addResourceHandlers(ResourceHandlerRegistry registry) {
/** swagger-ui 地址 */
registry.addResourceHandler("/swagger-ui/**")
.addResourceLocations("classpath:/META-INF/resources/webjars/springfox-swagger-ui/");
}
}

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src/main/java/com/dragon/gateway/config/properties/CaptchaProperties.java 100644
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package com.dragon.gateway.config.properties;
import org.springframework.boot.context.properties.ConfigurationProperties;
import org.springframework.cloud.context.config.annotation.RefreshScope;
import org.springframework.context.annotation.Configuration;
/**
* 验证码配置
*
* @author dragon
*/
@Configuration
@RefreshScope
@ConfigurationProperties(prefix = "security.captcha")
public class CaptchaProperties {
/**
* 验证码开关
*/
private Boolean enabled;
/**
* 验证码类型（math 数组计算 char 字符）
*/
private String type;
public Boolean getEnabled() {
return enabled;
}
public void setEnabled(Boolean enabled) {
this.enabled = enabled;
}
public String getType() {
return type;
}
public void setType(String type) {
this.type = type;
}
}

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src/main/java/com/dragon/gateway/config/properties/IgnoreWhiteProperties.java 100644
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package com.dragon.gateway.config.properties;
import org.springframework.boot.context.properties.ConfigurationProperties;
import org.springframework.cloud.context.config.annotation.RefreshScope;
import org.springframework.context.annotation.Configuration;
import java.util.ArrayList;
import java.util.List;
/**
* 放行白名单配置
*
* @author dragon
*/
@Configuration
@RefreshScope
@ConfigurationProperties(prefix = "security.ignore")
public class IgnoreWhiteProperties {
/**
* 放行白名单配置，网关不校验此处的白名单
*/
private List<String> whites = new ArrayList<>();
public List<String> getWhites() {
return whites;
}
public void setWhites(List<String> whites) {
this.whites = whites;
}
}

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src/main/java/com/dragon/gateway/config/properties/XssProperties.java 100644
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package com.dragon.gateway.config.properties;
import org.springframework.boot.context.properties.ConfigurationProperties;
import org.springframework.cloud.context.config.annotation.RefreshScope;
import org.springframework.context.annotation.Configuration;
import java.util.ArrayList;
import java.util.List;
/**
* XSS跨站脚本配置
*
* @author dragon
*/
@Configuration
@RefreshScope
@ConfigurationProperties(prefix = "security.xss")
public class XssProperties {
/**
* Xss开关
*/
private Boolean enabled;
/**
* 排除路径
*/
private List<String> excludeUrls = new ArrayList<>();
public Boolean getEnabled() {
return enabled;
}
public void setEnabled(Boolean enabled) {
this.enabled = enabled;
}
public List<String> getExcludeUrls() {
return excludeUrls;
}
public void setExcludeUrls(List<String> excludeUrls) {
this.excludeUrls = excludeUrls;
}
}

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src/main/java/com/dragon/gateway/domain/model/CaptchaCodeRes.java 100644
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package com.dragon.gateway.domain.model;
import lombok.AllArgsConstructor;
import lombok.Builder;
import lombok.Data;
import lombok.NoArgsConstructor;
/**
* @author 冯凯
* @version 1.0
* @description:圖片驗證碼相應實體類
* @date 2023/11/12 20:03
*/
@Data
@Builder
@AllArgsConstructor
@NoArgsConstructor
public class CaptchaCodeRes {
private boolean captchaEnabled;
}

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src/main/java/com/dragon/gateway/domain/model/ImageCodeRes.java 100644
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package com.dragon.gateway.domain.model;
import lombok.AllArgsConstructor;
import lombok.Builder;
import lombok.Data;
import lombok.NoArgsConstructor;
/**
* @author 冯凯
* @version 1.0
* @description: 圖片驗證碼相應實體類
* @date 2023/11/12 20:07
*/
@Data
@Builder
@AllArgsConstructor
@NoArgsConstructor
public class ImageCodeRes {
private String uuid;
private String img;
}

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src/main/java/com/dragon/gateway/filter/AuthFilter.java 100644
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package com.dragon.gateway.filter;
import com.dragon.common.core.constant.CacheConstants;
import com.dragon.common.core.constant.HttpStatus;
import com.dragon.common.core.constant.SecurityConstants;
import com.dragon.common.core.constant.TokenConstants;
import com.dragon.common.core.utils.JwtUtils;
import com.dragon.common.core.utils.ServletUtils;
import com.dragon.common.core.utils.StringUtils;
import com.dragon.common.redis.service.RedisService;
import com.dragon.gateway.config.properties.IgnoreWhiteProperties;
import io.jsonwebtoken.Claims;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.cloud.gateway.filter.GatewayFilterChain;
import org.springframework.cloud.gateway.filter.GlobalFilter;
import org.springframework.core.Ordered;
import org.springframework.http.server.reactive.ServerHttpRequest;
import org.springframework.stereotype.Component;
import org.springframework.web.server.ServerWebExchange;
import reactor.core.publisher.Mono;
/**
* 网关鉴权
*
* @author dragon
*/
@Component
public class AuthFilter implements GlobalFilter, Ordered {
private static final Logger log = LoggerFactory.getLogger(AuthFilter.class);
// 排除过滤的 uri 地址，nacos自行添加
@Autowired
private IgnoreWhiteProperties ignoreWhite;
@Autowired
private RedisService redisService;
@Override
public Mono<Void> filter(ServerWebExchange exchange, GatewayFilterChain chain) {
ServerHttpRequest request = exchange.getRequest();
ServerHttpRequest.Builder mutate = request.mutate();
String url = request.getURI().getPath();
// 跳过不需要验证的路径
if (StringUtils.matches(url, ignoreWhite.getWhites())) {
return chain.filter(exchange);
}
String token = getToken(request);
if (StringUtils.isEmpty(token)) {
return unauthorizedResponse(exchange, "令牌不能为空");
}
Claims claims = JwtUtils.parseToken(token);
if (claims == null) {
return unauthorizedResponse(exchange, "令牌已过期或验证不正确！");
}
String userkey = JwtUtils.getUserKey(claims);
boolean islogin = redisService.hasKey(getTokenKey(userkey));
if (!islogin) {
return unauthorizedResponse(exchange, "登录状态已过期");
}
String userid = JwtUtils.getUserId(claims);
String username = JwtUtils.getUserName(claims);
if (StringUtils.isEmpty(userid) || StringUtils.isEmpty(username)) {
return unauthorizedResponse(exchange, "令牌验证失败");
}
// 设置用户信息到请求
addHeader(mutate, SecurityConstants.USER_KEY, userkey);
addHeader(mutate, SecurityConstants.DETAILS_USER_ID, userid);
addHeader(mutate, SecurityConstants.DETAILS_USERNAME, username);
// 内部请求来源参数清除
removeHeader(mutate, SecurityConstants.FROM_SOURCE);
return chain.filter(exchange.mutate().request(mutate.build()).build());
}
private void addHeader(ServerHttpRequest.Builder mutate, String name, Object value) {
if (value == null) {
return;
}
String valueStr = value.toString();
String valueEncode = ServletUtils.urlEncode(valueStr);
mutate.header(name, valueEncode);
}
private void removeHeader(ServerHttpRequest.Builder mutate, String name) {
mutate.headers(httpHeaders -> httpHeaders.remove(name)).build();
}
private Mono<Void> unauthorizedResponse(ServerWebExchange exchange, String msg) {
log.error("[鉴权异常处理]请求路径:{}", exchange.getRequest().getPath());
return ServletUtils.webFluxResponseWriter(exchange.getResponse(), msg, HttpStatus.UNAUTHORIZED);
}
/**
* 获取缓存key
*/
private String getTokenKey(String token) {
return CacheConstants.LOGIN_TOKEN_KEY + token;
}
/**
* 获取请求token
*/
private String getToken(ServerHttpRequest request) {
String token = request.getHeaders().getFirst(TokenConstants.AUTHENTICATION);
// 如果前端设置了令牌前缀，则裁剪掉前缀
if (StringUtils.isNotEmpty(token) && token.startsWith(TokenConstants.PREFIX)) {
token = token.replaceFirst(TokenConstants.PREFIX, StringUtils.EMPTY);
}
return token;
}
@Override
public int getOrder() {
return -200;
}
}

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src/main/java/com/dragon/gateway/filter/BlackListUrlFilter.java 100644
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package com.dragon.gateway.filter;
import com.dragon.common.core.utils.ServletUtils;
import org.springframework.cloud.gateway.filter.GatewayFilter;
import org.springframework.cloud.gateway.filter.factory.AbstractGatewayFilterFactory;
import org.springframework.stereotype.Component;
import java.util.ArrayList;
import java.util.List;
import java.util.regex.Pattern;
/**
* 黑名单过滤器
*
* @author dragon
*/
@Component
public class BlackListUrlFilter extends AbstractGatewayFilterFactory<BlackListUrlFilter.Config> {
public BlackListUrlFilter() {
super(Config.class);
}
@Override
public GatewayFilter apply(Config config) {
return (exchange, chain) -> {
String url = exchange.getRequest().getURI().getPath();
if (config.matchBlacklist(url)) {
return ServletUtils.webFluxResponseWriter(exchange.getResponse(), "请求地址不允许访问");
}
return chain.filter(exchange);
};
}
public static class Config {
private List<String> blacklistUrl;
private List<Pattern> blacklistUrlPattern = new ArrayList<>();
public boolean matchBlacklist(String url) {
return !blacklistUrlPattern.isEmpty() && blacklistUrlPattern.stream().anyMatch(p -> p.matcher(url).find());
}
public List<String> getBlacklistUrl() {
return blacklistUrl;
}
public void setBlacklistUrl(List<String> blacklistUrl) {
this.blacklistUrl = blacklistUrl;
this.blacklistUrlPattern.clear();
this.blacklistUrl.forEach(url -> {
this.blacklistUrlPattern.add(Pattern.compile(url.replaceAll("\\*\\*", "(.*?)"), Pattern.CASE_INSENSITIVE));
});
}
}
}

75
src/main/java/com/dragon/gateway/filter/CacheRequestFilter.java 100644
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package com.dragon.gateway.filter;
import org.springframework.cloud.gateway.filter.GatewayFilter;
import org.springframework.cloud.gateway.filter.GatewayFilterChain;
import org.springframework.cloud.gateway.filter.OrderedGatewayFilter;
import org.springframework.cloud.gateway.filter.factory.AbstractGatewayFilterFactory;
import org.springframework.cloud.gateway.support.ServerWebExchangeUtils;
import org.springframework.http.HttpMethod;
import org.springframework.stereotype.Component;
import org.springframework.web.server.ServerWebExchange;
import reactor.core.publisher.Mono;
import java.util.Collections;
import java.util.List;
/**
* 获取body请求数据（解决流不能重复读取问题）
*
* @author dragon
*/
@Component
public class CacheRequestFilter extends AbstractGatewayFilterFactory<CacheRequestFilter.Config> {
public CacheRequestFilter() {
super(Config.class);
}
@Override
public String name() {
return "CacheRequestFilter";
}
@Override
public GatewayFilter apply(Config config) {
CacheRequestGatewayFilter cacheRequestGatewayFilter = new CacheRequestGatewayFilter();
Integer order = config.getOrder();
if (order == null) {
return cacheRequestGatewayFilter;
}
return new OrderedGatewayFilter(cacheRequestGatewayFilter, order);
}
@Override
public List<String> shortcutFieldOrder() {
return Collections.singletonList("order");
}
public static class CacheRequestGatewayFilter implements GatewayFilter {
@Override
public Mono<Void> filter(ServerWebExchange exchange, GatewayFilterChain chain) {
// GET DELETE 不过滤
HttpMethod method = exchange.getRequest().getMethod();
if (method == null || method == HttpMethod.GET || method == HttpMethod.DELETE) {
return chain.filter(exchange);
}
return ServerWebExchangeUtils.cacheRequestBodyAndRequest(exchange, (serverHttpRequest) -> {
if (serverHttpRequest == exchange.getRequest()) {
return chain.filter(exchange);
}
return chain.filter(exchange.mutate().request(serverHttpRequest).build());
});
}
}
static class Config {
private Integer order;
public Integer getOrder() {
return order;
}
public void setOrder(Integer order) {
this.order = order;
}
}
}

69
src/main/java/com/dragon/gateway/filter/ValidateCodeFilter.java 100644
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package com.dragon.gateway.filter;
import com.alibaba.fastjson2.JSON;
import com.alibaba.fastjson2.JSONObject;
import com.dragon.common.core.utils.ServletUtils;
import com.dragon.common.core.utils.StringUtils;
import com.dragon.gateway.config.properties.CaptchaProperties;
import com.dragon.gateway.service.ValidateCodeService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.cloud.gateway.filter.GatewayFilter;
import org.springframework.cloud.gateway.filter.factory.AbstractGatewayFilterFactory;
import org.springframework.core.io.buffer.DataBuffer;
import org.springframework.core.io.buffer.DataBufferUtils;
import org.springframework.http.server.reactive.ServerHttpRequest;
import org.springframework.stereotype.Component;
import reactor.core.publisher.Flux;
import java.nio.CharBuffer;
import java.nio.charset.StandardCharsets;
import java.util.concurrent.atomic.AtomicReference;
/**
* 验证码过滤器
*
* @author dragon
*/
@Component
public class ValidateCodeFilter extends AbstractGatewayFilterFactory<Object> {
private final static String[] VALIDATE_URL = new String[]{"/auth/login", "/auth/register"};
private static final String CODE = "code";
private static final String UUID = "uuid";
@Autowired
private ValidateCodeService validateCodeService;
@Autowired
private CaptchaProperties captchaProperties;
@Override
public GatewayFilter apply(Object config) {
return (exchange, chain) -> {
ServerHttpRequest request = exchange.getRequest();
// 非登录/注册请求或验证码关闭，不处理
if (!StringUtils.equalsAnyIgnoreCase(request.getURI().getPath(), VALIDATE_URL) || !captchaProperties.getEnabled()) {
return chain.filter(exchange);
}
try {
String rspStr = resolveBodyFromRequest(request);
JSONObject obj = JSON.parseObject(rspStr);
validateCodeService.checkCaptcha(obj.getString(CODE), obj.getString(UUID));
} catch (Exception e) {
return ServletUtils.webFluxResponseWriter(exchange.getResponse(), e.getMessage());
}
return chain.filter(exchange);
};
}
private String resolveBodyFromRequest(ServerHttpRequest serverHttpRequest) {
// 获取请求体
Flux<DataBuffer> body = serverHttpRequest.getBody();
AtomicReference<String> bodyRef = new AtomicReference<>();
body.subscribe(buffer -> {
CharBuffer charBuffer = StandardCharsets.UTF_8.decode(buffer.asByteBuffer());
DataBufferUtils.release(buffer);
bodyRef.set(charBuffer.toString());
});
return bodyRef.get();
}
}

114
src/main/java/com/dragon/gateway/filter/XssFilter.java 100644
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package com.dragon.gateway.filter;
import com.dragon.common.core.utils.StringUtils;
import com.dragon.common.core.utils.html.EscapeUtil;
import com.dragon.gateway.config.properties.XssProperties;
import io.netty.buffer.ByteBufAllocator;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
import org.springframework.cloud.gateway.filter.GatewayFilterChain;
import org.springframework.cloud.gateway.filter.GlobalFilter;
import org.springframework.core.Ordered;
import org.springframework.core.io.buffer.*;
import org.springframework.http.HttpHeaders;
import org.springframework.http.HttpMethod;
import org.springframework.http.MediaType;
import org.springframework.http.server.reactive.ServerHttpRequest;
import org.springframework.http.server.reactive.ServerHttpRequestDecorator;
import org.springframework.stereotype.Component;
import org.springframework.web.server.ServerWebExchange;
import reactor.core.publisher.Flux;
import reactor.core.publisher.Mono;
import java.nio.charset.StandardCharsets;
/**
* 跨站脚本过滤器
*
* @author dragon
*/
@Component
@ConditionalOnProperty(value = "security.xss.enabled", havingValue = "true")
public class XssFilter implements GlobalFilter, Ordered {
// 跨站脚本的 xss 配置，nacos自行添加
@Autowired
private XssProperties xss;
@Override
public Mono<Void> filter(ServerWebExchange exchange, GatewayFilterChain chain) {
ServerHttpRequest request = exchange.getRequest();
// xss开关未开启 或 通过nacos关闭，不过滤
if (!xss.getEnabled()) {
return chain.filter(exchange);
}
// GET DELETE 不过滤
HttpMethod method = request.getMethod();
if (method == null || method == HttpMethod.GET || method == HttpMethod.DELETE) {
return chain.filter(exchange);
}
// 非json类型，不过滤
if (!isJsonRequest(exchange)) {
return chain.filter(exchange);
}
// excludeUrls 不过滤
String url = request.getURI().getPath();
if (StringUtils.matches(url, xss.getExcludeUrls())) {
return chain.filter(exchange);
}
ServerHttpRequestDecorator httpRequestDecorator = requestDecorator(exchange);
return chain.filter(exchange.mutate().request(httpRequestDecorator).build());
}
private ServerHttpRequestDecorator requestDecorator(ServerWebExchange exchange) {
ServerHttpRequestDecorator serverHttpRequestDecorator = new ServerHttpRequestDecorator(exchange.getRequest()) {
@Override
public Flux<DataBuffer> getBody() {
Flux<DataBuffer> body = super.getBody();
return body.buffer().map(dataBuffers -> {
DataBufferFactory dataBufferFactory = new DefaultDataBufferFactory();
DataBuffer join = dataBufferFactory.join(dataBuffers);
byte[] content = new byte[join.readableByteCount()];
join.read(content);
DataBufferUtils.release(join);
String bodyStr = new String(content, StandardCharsets.UTF_8);
// 防xss攻击过滤
bodyStr = EscapeUtil.clean(bodyStr);
// 转成字节
byte[] bytes = bodyStr.getBytes(StandardCharsets.UTF_8);
NettyDataBufferFactory nettyDataBufferFactory = new NettyDataBufferFactory(ByteBufAllocator.DEFAULT);
DataBuffer buffer = nettyDataBufferFactory.allocateBuffer(bytes.length);
buffer.write(bytes);
return buffer;
});
}
@Override
public HttpHeaders getHeaders() {
HttpHeaders httpHeaders = new HttpHeaders();
httpHeaders.putAll(super.getHeaders());
// 由于修改了请求体的body，导致content-length长度不确定，因此需要删除原先的content-length
httpHeaders.remove(HttpHeaders.CONTENT_LENGTH);
httpHeaders.set(HttpHeaders.TRANSFER_ENCODING, "chunked");
return httpHeaders;
}
};
return serverHttpRequestDecorator;
}
/**
* 是否是Json请求
*
* @param exchange HTTP请求
*/
public boolean isJsonRequest(ServerWebExchange exchange) {
String header = exchange.getRequest().getHeaders().getFirst(HttpHeaders.CONTENT_TYPE);
return StringUtils.startsWithIgnoreCase(header, MediaType.APPLICATION_JSON_VALUE);
}
@Override
public int getOrder() {
return -100;
}
}

48
src/main/java/com/dragon/gateway/handler/GatewayExceptionHandler.java 100644
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@ -0,0 +1,48 @@
package com.dragon.gateway.handler;
import com.dragon.common.core.utils.ServletUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.boot.web.reactive.error.ErrorWebExceptionHandler;
import org.springframework.cloud.gateway.support.NotFoundException;
import org.springframework.context.annotation.Configuration;
import org.springframework.core.annotation.Order;
import org.springframework.http.server.reactive.ServerHttpResponse;
import org.springframework.web.server.ResponseStatusException;
import org.springframework.web.server.ServerWebExchange;
import reactor.core.publisher.Mono;
/**
* 网关统一异常处理
*
* @author dragon
*/
@Order(-1)
@Configuration
public class GatewayExceptionHandler implements ErrorWebExceptionHandler {
private static final Logger log = LoggerFactory.getLogger(GatewayExceptionHandler.class);
@Override
public Mono<Void> handle(ServerWebExchange exchange, Throwable ex) {
ServerHttpResponse response = exchange.getResponse();
if (exchange.getResponse().isCommitted()) {
return Mono.error(ex);
}
String msg;
if (ex instanceof NotFoundException) {
msg = "服务未找到";
} else if (ex instanceof ResponseStatusException) {
ResponseStatusException responseStatusException = (ResponseStatusException) ex;
msg = responseStatusException.getMessage();
} else {
msg = "内部服务器错误";
}
log.error("[网关异常处理]请求路径:{},异常信息:{}", exchange.getRequest().getPath(), ex.getMessage());
return ServletUtils.webFluxResponseWriter(response, msg);
}
}

35
src/main/java/com/dragon/gateway/handler/SentinelFallbackHandler.java 100644
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@ -0,0 +1,35 @@
package com.dragon.gateway.handler;
import com.alibaba.csp.sentinel.adapter.gateway.sc.callback.GatewayCallbackManager;
import com.alibaba.csp.sentinel.slots.block.BlockException;
import com.dragon.common.core.utils.ServletUtils;
import org.springframework.web.reactive.function.server.ServerResponse;
import org.springframework.web.server.ServerWebExchange;
import org.springframework.web.server.WebExceptionHandler;
import reactor.core.publisher.Mono;
/**
* 自定义限流异常处理
*
* @author dragon
*/
public class SentinelFallbackHandler implements WebExceptionHandler {
private Mono<Void> writeResponse(ServerResponse response, ServerWebExchange exchange) {
return ServletUtils.webFluxResponseWriter(exchange.getResponse(), "请求超过最大数，请稍候再试");
}
@Override
public Mono<Void> handle(ServerWebExchange exchange, Throwable ex) {
if (exchange.getResponse().isCommitted()) {
return Mono.error(ex);
}
if (!BlockException.isBlockException(ex)) {
return Mono.error(ex);
}
return handleBlockedRequest(exchange, ex).flatMap(response -> writeResponse(response, exchange));
}
private Mono<ServerResponse> handleBlockedRequest(ServerWebExchange exchange, Throwable throwable) {
return GatewayCallbackManager.getBlockHandler().handleRequest(exchange, throwable);
}
}

46
src/main/java/com/dragon/gateway/handler/SwaggerHandler.java 100644
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@ -0,0 +1,46 @@
package com.dragon.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.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
import reactor.core.publisher.Mono;
import springfox.documentation.swagger.web.*;
import java.util.Optional;
@RestController
@RequestMapping("/swagger-resources")
public class SwaggerHandler {
private final SwaggerResourcesProvider swaggerResources;
@Autowired(required = false)
private SecurityConfiguration securityConfiguration;
@Autowired(required = false)
private UiConfiguration uiConfiguration;
@Autowired
public SwaggerHandler(SwaggerResourcesProvider swaggerResources) {
this.swaggerResources = swaggerResources;
}
@GetMapping("/configuration/security")
public Mono<ResponseEntity<SecurityConfiguration>> securityConfiguration() {
return Mono.just(new ResponseEntity<>(
Optional.ofNullable(securityConfiguration).orElse(SecurityConfigurationBuilder.builder().build()),
HttpStatus.OK));
}
@GetMapping("/configuration/ui")
public Mono<ResponseEntity<UiConfiguration>> uiConfiguration() {
return Mono.just(new ResponseEntity<>(
Optional.ofNullable(uiConfiguration).orElse(UiConfigurationBuilder.builder().build()), HttpStatus.OK));
}
@SuppressWarnings("rawtypes")
@GetMapping("")
public Mono<ResponseEntity> swaggerResources() {
return Mono.just((new ResponseEntity<>(swaggerResources.get(), HttpStatus.OK)));
}
}

37
src/main/java/com/dragon/gateway/handler/ValidateCodeHandler.java 100644
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@ -0,0 +1,37 @@
package com.dragon.gateway.handler;
import com.dragon.common.core.exception.CaptchaException;
import com.dragon.common.core.domain.Result;
import com.dragon.gateway.service.ValidateCodeService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.http.HttpStatus;
import org.springframework.stereotype.Component;
import org.springframework.web.reactive.function.BodyInserters;
import org.springframework.web.reactive.function.server.HandlerFunction;
import org.springframework.web.reactive.function.server.ServerRequest;
import org.springframework.web.reactive.function.server.ServerResponse;
import reactor.core.publisher.Mono;
import java.io.IOException;
/**
* 验证码获取
*
* @author dragon
*/
@Component
public class ValidateCodeHandler implements HandlerFunction<ServerResponse> {
@Autowired
private ValidateCodeService validateCodeService;
@Override
public Mono<ServerResponse> handle(ServerRequest serverRequest) {
Result ajax;
try {
ajax = validateCodeService.createCaptcha();
} catch (CaptchaException | IOException e) {
return Mono.error(e);
}
return ServerResponse.status(HttpStatus.OK).body(BodyInserters.fromValue(ajax));
}
}

23
src/main/java/com/dragon/gateway/service/ValidateCodeService.java 100644
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@ -0,0 +1,23 @@
package com.dragon.gateway.service;
import com.dragon.common.core.exception.CaptchaException;
import com.dragon.common.core.domain.Result;
import java.io.IOException;
/**
* 验证码处理
*
* @author dragon
*/
public interface ValidateCodeService {
/**
* 生成验证码
*/
public Result createCaptcha() throws IOException, CaptchaException;
/**
* 校验验证码
*/
public void checkCaptcha(String key, String value) throws CaptchaException;
}

109
src/main/java/com/dragon/gateway/service/impl/ValidateCodeServiceImpl.java 100644
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@ -0,0 +1,109 @@
package com.dragon.gateway.service.impl;
import com.dragon.common.core.constant.CacheConstants;
import com.dragon.common.core.constant.Constants;
import com.dragon.common.core.exception.CaptchaException;
import com.dragon.common.core.utils.StringUtils;
import com.dragon.common.core.utils.sign.Base64;
import com.dragon.common.core.utils.uuid.IdUtils;
import com.dragon.common.core.domain.Result;
import com.dragon.common.redis.service.RedisService;
import com.dragon.gateway.config.properties.CaptchaProperties;
import com.dragon.gateway.domain.model.CaptchaCodeRes;
import com.dragon.gateway.domain.model.ImageCodeRes;
import com.dragon.gateway.service.ValidateCodeService;
import com.google.code.kaptcha.Producer;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.util.FastByteArrayOutputStream;
import javax.annotation.Resource;
import javax.imageio.ImageIO;
import java.awt.image.BufferedImage;
import java.io.IOException;
import java.util.concurrent.TimeUnit;
/**
* 验证码实现处理
*
* @author dragon
*/
@Service
public class ValidateCodeServiceImpl implements ValidateCodeService {
@Resource(name = "captchaProducer")
private Producer captchaProducer;
@Resource(name = "captchaProducerMath")
private Producer captchaProducerMath;
@Autowired
private RedisService redisService;
@Autowired
private CaptchaProperties captchaProperties;
/**
* 生成验证码
*/
@Override
public Result createCaptcha() throws IOException, CaptchaException {
boolean captchaEnabled = captchaProperties.getEnabled();
CaptchaCodeRes captchaCodeRes = CaptchaCodeRes.builder().captchaEnabled(captchaEnabled).build();
if (!captchaEnabled) {
return Result.success(captchaCodeRes);
}
// 保存验证码信息
String uuid = IdUtils.simpleUUID();
String verifyKey = CacheConstants.CAPTCHA_CODE_KEY + uuid;
String capStr = null, code = null;
BufferedImage image = null;
String captchaType = captchaProperties.getType();
// 生成验证码
if ("math".equals(captchaType)) {
String capText = captchaProducerMath.createText();
capStr = capText.substring(0, capText.lastIndexOf("@"));
code = capText.substring(capText.lastIndexOf("@") + 1);
image = captchaProducerMath.createImage(capStr);
} else if ("char".equals(captchaType)) {
capStr = code = captchaProducer.createText();
image = captchaProducer.createImage(capStr);
}
redisService.setCacheObject(verifyKey, code, Constants.CAPTCHA_EXPIRATION, TimeUnit.MINUTES);
// 转换流信息写出
FastByteArrayOutputStream os = new FastByteArrayOutputStream();
try {
ImageIO.write(image, "jpg", os);
} catch (IOException e) {
return Result.error(e.getMessage());
}
return Result.success(ImageCodeRes.builder()
.img(Base64.encode(os.toByteArray()))
.uuid(uuid)
.build());
}
/**
* 校验验证码
*/
@Override
public void checkCaptcha(String code, String uuid) throws CaptchaException {
if (StringUtils.isEmpty(code)) {
throw new CaptchaException("验证码不能为空");
}
if (StringUtils.isEmpty(uuid)) {
throw new CaptchaException("验证码已失效");
}
String verifyKey = CacheConstants.CAPTCHA_CODE_KEY + uuid;
String captcha = redisService.getCacheObject(verifyKey);
redisService.deleteObject(verifyKey);
if (!code.equalsIgnoreCase(captcha)) {
throw new CaptchaException("验证码错误");
}
}
}

2
src/main/resources/banner.txt 100644
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@ -0,0 +1,2 @@
Spring Boot Version: ${spring-boot.version}
Spring Application Name: ${spring.application.name} |___/

40
src/main/resources/bootstrap.yml 100644
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@ -0,0 +1,40 @@
# Tomcat
server:
port: 8080
# Spring
spring:
application:
# 应用名称
name: dragon-gateway
profiles:
# 环境配置
active: dev
cloud:
nacos:
discovery:
# 服务注册地址
server-addr: 47.120.38.124:8848
config:
# 配置中心地址
server-addr: 47.120.38.124:8848
# 配置文件格式
file-extension: yml
# 共享配置
shared-configs:
- application-${spring.profiles.active}.${spring.cloud.nacos.config.file-extension}
sentinel:
# 取消控制台懒加载
eager: true
transport:
# 控制台地址
dashboard: 127.0.0.1:8718
# nacos配置持久化
datasource:
ds1:
nacos:
server-addr: 47.120.38.124:8848
dataId: sentinel-dragon-gateway
groupId: DEFAULT_GROUP
data-type: json
rule-type: gw-flow

74
src/main/resources/logback.xml 100644
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@ -0,0 +1,74 @@
<?xml version="1.0" encoding="UTF-8"?>
<configuration scan="true" scanPeriod="60 seconds" debug="false">
<!-- 日志存放路径 -->
<property name="log.path" value="logs/dragon-gateway"/>
<!-- 日志输出格式 -->
<property name="log.pattern" value="%d{HH:mm:ss.SSS} [%thread] %-5level %logger{20} - [%method,%line] - %msg%n"/>
<!-- 控制台输出 -->
<appender name="console" class="ch.qos.logback.core.ConsoleAppender">
<encoder>
<pattern>${log.pattern}</pattern>
</encoder>
</appender>
<!-- 系统日志输出 -->
<appender name="file_info" class="ch.qos.logback.core.rolling.RollingFileAppender">
<file>${log.path}/info.log</file>
<!-- 循环政策：基于时间创建日志文件 -->
<rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
<!-- 日志文件名格式 -->
<fileNamePattern>${log.path}/info.%d{yyyy-MM-dd}.log</fileNamePattern>
<!-- 日志最大的历史 60天 -->
<maxHistory>60</maxHistory>
</rollingPolicy>
<encoder>
<pattern>${log.pattern}</pattern>
</encoder>
<filter class="ch.qos.logback.classic.filter.LevelFilter">
<!-- 过滤的级别 -->
<level>INFO</level>
<!-- 匹配时的操作：接收（记录） -->
<onMatch>ACCEPT</onMatch>
<!-- 不匹配时的操作：拒绝（不记录） -->
<onMismatch>DENY</onMismatch>
</filter>
</appender>
<appender name="file_error" class="ch.qos.logback.core.rolling.RollingFileAppender">
<file>${log.path}/error.log</file>
<!-- 循环政策：基于时间创建日志文件 -->
<rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
<!-- 日志文件名格式 -->
<fileNamePattern>${log.path}/error.%d{yyyy-MM-dd}.log</fileNamePattern>
<!-- 日志最大的历史 60天 -->
<maxHistory>60</maxHistory>
</rollingPolicy>
<encoder>
<pattern>${log.pattern}</pattern>
</encoder>
<filter class="ch.qos.logback.classic.filter.LevelFilter">
<!-- 过滤的级别 -->
<level>ERROR</level>
<!-- 匹配时的操作：接收（记录） -->
<onMatch>ACCEPT</onMatch>
<!-- 不匹配时的操作：拒绝（不记录） -->
<onMismatch>DENY</onMismatch>
</filter>
</appender>
<!-- 系统模块日志级别控制 -->
<logger name="com.dragon" level="info"/>
<!-- Spring日志级别控制 -->
<logger name="org.springframework" level="warn"/>
<root level="info">
<appender-ref ref="console"/>
</root>
<!--系统操作日志-->
<root level="info">
<appender-ref ref="file_info"/>
<appender-ref ref="file_error"/>
</root>
</configuration>