疯狂的狮子li
2022-12-22 15f7d4dc471a735ead8000fc0809cd46c390f055
ruoyi-framework/src/main/java/com/ruoyi/framework/config/SwaggerConfig.java
@@ -1,131 +1,123 @@
package com.ruoyi.framework.config;
import com.github.xiaoymin.knife4j.spring.annotations.EnableKnife4j;
import com.ruoyi.common.config.RuoYiConfig;
import io.swagger.annotations.ApiOperation;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.boot.autoconfigure.condition.ConditionalOnClass;
import com.ruoyi.common.utils.StringUtils;
import com.ruoyi.framework.config.properties.SwaggerProperties;
import com.ruoyi.framework.handler.OpenApiHandler;
import io.swagger.v3.oas.models.OpenAPI;
import io.swagger.v3.oas.models.Paths;
import io.swagger.v3.oas.models.info.Info;
import io.swagger.v3.oas.models.security.SecurityRequirement;
import lombok.RequiredArgsConstructor;
import org.springdoc.core.*;
import org.springdoc.core.customizers.OpenApiBuilderCustomizer;
import org.springdoc.core.customizers.OpenApiCustomiser;
import org.springdoc.core.customizers.ServerBaseUrlCustomizer;
import org.springdoc.core.providers.JavadocProvider;
import org.springframework.boot.autoconfigure.AutoConfigureBefore;
import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
import org.springframework.boot.autoconfigure.web.ServerProperties;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import springfox.documentation.builders.ApiInfoBuilder;
import springfox.documentation.builders.PathSelectors;
import springfox.documentation.builders.RequestHandlerSelectors;
import springfox.documentation.service.*;
import springfox.documentation.spi.DocumentationType;
import springfox.documentation.spi.service.contexts.SecurityContext;
import springfox.documentation.spring.web.plugins.Docket;
import springfox.documentation.swagger2.annotations.EnableSwagger2;
import java.util.ArrayList;
import java.util.List;
import java.util.Optional;
import java.util.Set;
/**
 * Swagger2的接口配置
 * Swagger 文档配置
 *
 * @author Lion Li
 */
@RequiredArgsConstructor
@Configuration
@EnableSwagger2
@EnableKnife4j
@ConditionalOnClass({Docket.class, ApiInfoBuilder.class})
@ConditionalOnProperty(prefix = "swagger", value = "enable", matchIfMissing = true)
@AutoConfigureBefore(SpringDocConfiguration.class)
@ConditionalOnProperty(name = "swagger.enabled", havingValue = "true", matchIfMissing = true)
public class SwaggerConfig {
    /**
     * 系统基础配置
     */
    @Autowired
    private RuoYiConfig ruoyiConfig;
    private final SwaggerProperties swaggerProperties;
    private final ServerProperties serverProperties;
    @Bean
    @ConditionalOnMissingBean(OpenAPI.class)
    public OpenAPI openApi() {
        OpenAPI openApi = new OpenAPI();
        // 文档基本信息
        SwaggerProperties.InfoProperties infoProperties = swaggerProperties.getInfo();
        Info info = convertInfo(infoProperties);
        openApi.info(info);
        // 扩展文档信息
        openApi.externalDocs(swaggerProperties.getExternalDocs());
        openApi.tags(swaggerProperties.getTags());
        openApi.paths(swaggerProperties.getPaths());
        openApi.components(swaggerProperties.getComponents());
        Set<String> keySet = swaggerProperties.getComponents().getSecuritySchemes().keySet();
        List<SecurityRequirement> list = new ArrayList<>();
        SecurityRequirement securityRequirement = new SecurityRequirement();
        keySet.forEach(securityRequirement::addList);
        list.add(securityRequirement);
        openApi.security(list);
        return openApi;
    }
    private Info convertInfo(SwaggerProperties.InfoProperties infoProperties) {
        Info info = new Info();
        info.setTitle(infoProperties.getTitle());
        info.setDescription(infoProperties.getDescription());
        info.setContact(infoProperties.getContact());
        info.setLicense(infoProperties.getLicense());
        info.setVersion(infoProperties.getVersion());
        return info;
    }
    /**
     * 标题
     */
    @Value("${swagger.title}")
    private String title;
    /**
     * 描述
     */
    @Value("${swagger.description}")
    private String description;
    /**
     * 版本
     */
    @Value("${swagger.version}")
    private String version;
    /**
     * 创建API
     * 自定义 openapi 处理器
     */
    @Bean
    public Docket createRestApi() {
        return new Docket(DocumentationType.SWAGGER_2)
                // 用来创建该API的基本信息,展示在文档的页面中(自定义展示的信息)
                .apiInfo(apiInfo())
                // 设置哪些接口暴露给Swagger展示
                .select()
                // 扫描所有有注解的api,用这种方式更灵活
                .apis(RequestHandlerSelectors.withMethodAnnotation(ApiOperation.class))
                // 扫描指定包中的swagger注解
                // .apis(RequestHandlerSelectors.basePackage("com.ruoyi.project.tool.swagger"))
                // 扫描所有 .apis(RequestHandlerSelectors.any())
                .paths(PathSelectors.any())
                .build()
                /* 设置安全模式,swagger可以设置访问token */
                .securitySchemes(securitySchemes())
                .securityContexts(securityContexts());
    public OpenAPIService openApiBuilder(Optional<OpenAPI> openAPI,
                                         SecurityService securityParser,
                                         SpringDocConfigProperties springDocConfigProperties, PropertyResolverUtils propertyResolverUtils,
                                         Optional<List<OpenApiBuilderCustomizer>> openApiBuilderCustomisers,
                                         Optional<List<ServerBaseUrlCustomizer>> serverBaseUrlCustomisers, Optional<JavadocProvider> javadocProvider) {
        return new OpenApiHandler(openAPI, securityParser, springDocConfigProperties, propertyResolverUtils, openApiBuilderCustomisers, serverBaseUrlCustomisers, javadocProvider);
    }
    /**
     * 安全模式,这里指定token通过Authorization头请求头传递
     * 对已经生成好的 OpenApi 进行自定义操作
     */
    private List<SecurityScheme> securitySchemes() {
        List<SecurityScheme> apiKeyList = new ArrayList<SecurityScheme>();
        apiKeyList.add(new ApiKey("Authorization", "Authorization", "header"));
        return apiKeyList;
    @Bean
    public OpenApiCustomiser openApiCustomiser() {
        String contextPath = serverProperties.getServlet().getContextPath();
        String finalContextPath;
        if (StringUtils.isBlank(contextPath) || "/".equals(contextPath)) {
            finalContextPath = "";
        } else {
            finalContextPath = contextPath;
        }
        // 对所有路径增加前置上下文路径
        return openApi -> {
            Paths oldPaths = openApi.getPaths();
            if (oldPaths instanceof PlusPaths) {
                return;
            }
            PlusPaths newPaths = new PlusPaths();
            oldPaths.forEach((k,v) -> newPaths.addPathItem(finalContextPath + k, v));
            openApi.setPaths(newPaths);
        };
    }
    /**
     * 安全上下文
     * 单独使用一个类便于判断 解决springdoc路径拼接重复问题
     *
     * @author Lion Li
     */
    private List<SecurityContext> securityContexts() {
        List<SecurityContext> securityContexts = new ArrayList<>();
        securityContexts.add(
                SecurityContext.builder()
                        .securityReferences(defaultAuth())
                        .forPaths(PathSelectors.regex("^(?!auth).*$"))
                        .build());
        return securityContexts;
    static class PlusPaths extends Paths {
        public PlusPaths() {
            super();
        }
    }
    /**
     * 默认的安全上引用
     */
    private List<SecurityReference> defaultAuth() {
        AuthorizationScope authorizationScope = new AuthorizationScope("global", "accessEverything");
        AuthorizationScope[] authorizationScopes = new AuthorizationScope[1];
        authorizationScopes[0] = authorizationScope;
        List<SecurityReference> securityReferences = new ArrayList<>();
        securityReferences.add(new SecurityReference("Authorization", authorizationScopes));
        return securityReferences;
    }
    /**
     * 添加摘要信息
     */
    private ApiInfo apiInfo() {
        // 用ApiInfoBuilder进行定制
        return new ApiInfoBuilder()
                // 设置标题
                .title(title)
                // 描述
                .description(description)
                // 作者信息
                .contact(new Contact(ruoyiConfig.getName(), null, null))
                // 版本
                .version(version)
                .build();
    }
}