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Ework Cloud Starter Swagger
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package com.eworkcloud.swagger;

import io.swagger.annotations.ApiOperation;
import org.springframework.boot.context.properties.EnableConfigurationProperties;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.util.StringUtils;
import org.springframework.web.servlet.config.annotation.ResourceHandlerRegistry;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;
import springfox.documentation.builders.ApiInfoBuilder;
import springfox.documentation.builders.PathSelectors;
import springfox.documentation.builders.RequestHandlerSelectors;
import springfox.documentation.service.ApiInfo;
import springfox.documentation.service.ApiKey;
import springfox.documentation.service.AuthorizationScope;
import springfox.documentation.service.SecurityReference;
import springfox.documentation.service.SecurityScheme;
import springfox.documentation.spi.DocumentationType;
import springfox.documentation.spi.service.contexts.SecurityContext;
import springfox.documentation.spring.web.plugins.Docket;
import springfox.documentation.swagger.web.SecurityConfiguration;
import springfox.documentation.swagger.web.SecurityConfigurationBuilder;
import springfox.documentation.swagger2.annotations.EnableSwagger2WebMvc;

import javax.annotation.Resource;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;

@Configuration
@EnableSwagger2WebMvc
@EnableConfigurationProperties(SwaggerProperties.class)
public class SwaggerConfiguration implements WebMvcConfigurer {

    private static final String[] defKeys = new String[]{"Authorization"};

    @Resource
    private SwaggerProperties swaggerProperties;

    private ApiInfo apiInfo() {
        return new ApiInfoBuilder()
                .title(swaggerProperties.getTitle())
                .version(swaggerProperties.getVersion())
                .build();
    }

    private List securitySchemes() {
        String[] apiKeys = defKeys;
        if (StringUtils.hasText(swaggerProperties.getApiKeys())) {
            apiKeys = swaggerProperties.getApiKeys().split(",");
        }

        List securitySchemes = new ArrayList<>();
        for (String apikey : apiKeys) {
            securitySchemes.add(new ApiKey(apikey, apikey, "header"));
        }
        return securitySchemes;
    }

    private List securityReferences() {
        AuthorizationScope[] authorizationScopes = new AuthorizationScope[1];
        authorizationScopes[0] = new AuthorizationScope("global", "accessEverything");

        String[] apiKeys = defKeys;
        if (StringUtils.hasText(swaggerProperties.getApiKeys())) {
            apiKeys = swaggerProperties.getApiKeys().split(",");
        }

        List securityReferences = new ArrayList<>();
        for (String apikey : apiKeys) {
            securityReferences.add(new SecurityReference(apikey, authorizationScopes));
        }
        return securityReferences;
    }

    private SecurityContext securityContext() {
        return SecurityContext.builder()
                .securityReferences(securityReferences())
                .forPaths(PathSelectors.any())
                .build();
    }

    @Bean
    public Docket swagger2Docket() {
        return new Docket(DocumentationType.SWAGGER_2)
                .enable(StringUtils.hasText(swaggerProperties.getTitle()))
                .apiInfo(apiInfo())
                .select()
                .apis(RequestHandlerSelectors.withMethodAnnotation(ApiOperation.class))
                .paths(PathSelectors.any())
                .build()
                .securitySchemes(securitySchemes())
                .securityContexts(Collections.singletonList(securityContext()));
    }

    @Bean
    public SecurityConfiguration securityConfiguration() {
        return SecurityConfigurationBuilder.builder()
                .scopeSeparator(",")
                .additionalQueryStringParams(null)
                .useBasicAuthenticationWithAccessCodeGrant(false)
                .build();
    }

    @Override
    public void addResourceHandlers(ResourceHandlerRegistry registry) {
        registry.addResourceHandler("swagger-ui.html")
                .addResourceLocations("classpath:/META-INF/resources/");
        registry.addResourceHandler("/webjars/**")
                .addResourceLocations("classpath:/META-INF/resources/webjars/");
    }
}