java - 如何在 spring boot rest 应用程序中使用 Swagger ui 配置带有密码流的 oAuth2

Question

我有 spring boot rest api(资源)，它使用另一个 spring boot 授权服务器，我已将 Swagger 配置添加到资源应用程序中，以便为 rest API 获得一个快速的文档/测试平台。我的 Swagger 配置如下所示:

@Configuration
@EnableSwagger2
public class SwaggerConfig {    

    @Autowired
    private TypeResolver typeResolver;

    @Value("${app.client.id}")
    private String clientId;
    @Value("${app.client.secret}")
    private String clientSecret;
    @Value("${info.build.name}")
    private String infoBuildName;

    public static final String securitySchemaOAuth2 = "oauth2";
    public static final String authorizationScopeGlobal = "global";
    public static final String authorizationScopeGlobalDesc = "accessEverything";

    @Bean
    public Docket api() { 

        List<ResponseMessage> list = new java.util.ArrayList<ResponseMessage>();
        list.add(new ResponseMessageBuilder()
                .code(500)
                .message("500 message")
                .responseModel(new ModelRef("JSONResult«string»"))
                .build());
        list.add(new ResponseMessageBuilder()
                .code(401)
                .message("Unauthorized")
                .responseModel(new ModelRef("JSONResult«string»"))
                .build());


        return new Docket(DocumentationType.SWAGGER_2)  
          .select()                                  
          .apis(RequestHandlerSelectors.any())              
          .paths(PathSelectors.any())     
          .build()
          .securitySchemes(Collections.singletonList(securitySchema()))
          .securityContexts(Collections.singletonList(securityContext()))
          .pathMapping("/")
          .directModelSubstitute(LocalDate.class,String.class)
          .genericModelSubstitutes(ResponseEntity.class)
          .alternateTypeRules(
              newRule(typeResolver.resolve(DeferredResult.class,
                      typeResolver.resolve(ResponseEntity.class, WildcardType.class)),
                  typeResolver.resolve(WildcardType.class)))
          .useDefaultResponseMessages(false)
          .apiInfo(apiInfo())
          .globalResponseMessage(RequestMethod.GET,list)
          .globalResponseMessage(RequestMethod.POST,list);
    }


    private OAuth securitySchema() {

        List<AuthorizationScope> authorizationScopeList = newArrayList();
        authorizationScopeList.add(new AuthorizationScope("global", "access all"));

        List<GrantType> grantTypes = newArrayList();
        final TokenRequestEndpoint tokenRequestEndpoint = new TokenRequestEndpoint("http://server:port/oauth/token", clientId, clientSecret);
        final TokenEndpoint tokenEndpoint = new TokenEndpoint("http://server:port/oauth/token", "access_token");
        AuthorizationCodeGrant authorizationCodeGrant = new AuthorizationCodeGrant(tokenRequestEndpoint, tokenEndpoint);

        grantTypes.add(authorizationCodeGrant);

        OAuth oAuth = new OAuth("oauth", authorizationScopeList, grantTypes);

        return oAuth;
    }


    private SecurityContext securityContext() {
        return SecurityContext.builder().securityReferences(defaultAuth())
                .forPaths(PathSelectors.ant("/api/**")).build();
    }

    private List<SecurityReference> defaultAuth() {

        final AuthorizationScope authorizationScope =
                new AuthorizationScope(authorizationScopeGlobal, authorizationScopeGlobalDesc);
        final AuthorizationScope[] authorizationScopes = new AuthorizationScope[1];
        authorizationScopes[0] = authorizationScope;
        return Collections
                .singletonList(new SecurityReference(securitySchemaOAuth2, authorizationScopes));
    }



    private ApiInfo apiInfo() {
        return new ApiInfoBuilder()
                .title(“My rest API")
                .description(" description here … ”)
                .termsOfServiceUrl("https://www.example.com/")
                .contact(new Contact(“XXXX XXXX”,
                                     "http://www.example.com", “xxxx@example.com”))
                .license("license here”)
                .licenseUrl("https://www.example.com")
                .version("1.0.0")
                .build();
    }

}

我从授权服务器获取访问 token 的方法是使用 http POST 到此链接，并在 clientid/clientpass header 中使用基本授权:

http://server:port/oauth/token?grant_type=password&username=<username>&password=<password>

响应是这样的:

{
    "access_token": "e3b98877-f225-45e2-add4-3c53eeb6e7a8",
    "token_type": "bearer",
    "refresh_token": "58f34753-7695-4a71-c08a-d40241ec3dfb",
    "expires_in": 4499,
    "scope": "read trust write"
}

在 Swagger UI 中，我可以看到一个授权按钮，它会打开一个对话框来发出授权请求，但它不起作用，并将我定向到如下链接，

http://server:port/oauth/token?response_type=code&redirect_uri=http%3A%2F%2Fserver%3A8080%2Fwebjars%2Fspringfox-swagger-ui%2Fo2c.html&realm=undefined&client_id=undefined&scope=global%2CvendorExtensions&state=oauth

我在这里缺少什么？

Answer 1

8 个月后，Swagger UI 终于支持密码流，这是适合我的最终代码和设置:

1) Swagger 配置:

package com.example.api;


import org.springframework.beans.factory.annotation.Value;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.web.bind.annotation.RequestMethod;
import springfox.documentation.schema.ModelRef;
import springfox.documentation.service.ApiInfo;
import springfox.documentation.service.AuthorizationScope;
import springfox.documentation.service.Contact;
import springfox.documentation.service.GrantType;
import springfox.documentation.service.OAuth;
import springfox.documentation.service.ResourceOwnerPasswordCredentialsGrant;
import springfox.documentation.service.ResponseMessage;
import springfox.documentation.service.SecurityReference;
import springfox.documentation.builders.ApiInfoBuilder;
import springfox.documentation.builders.PathSelectors;
import springfox.documentation.builders.RequestHandlerSelectors;
import springfox.documentation.builders.ResponseMessageBuilder;
import springfox.documentation.spi.DocumentationType;
import springfox.documentation.spi.service.contexts.SecurityContext;
import springfox.documentation.spring.web.plugins.Docket;
import springfox.documentation.swagger.web.ApiKeyVehicle;
import springfox.documentation.swagger.web.SecurityConfiguration;
import springfox.documentation.swagger2.annotations.EnableSwagger2;
import java.util.Collections;
import java.util.List;

import static com.google.common.collect.Lists.*;

@Configuration
@EnableSwagger2
public class SwaggerConfig {

    @Value("${app.client.id}")
    private String clientId;
    @Value("${app.client.secret}")
    private String clientSecret;
    @Value("${info.build.name}")
    private String infoBuildName;

    @Value("${host.full.dns.auth.link}")
    private String authLink;

    @Bean
    public Docket api() {

        List<ResponseMessage> list = new java.util.ArrayList<>();
        list.add(new ResponseMessageBuilder().code(500).message("500 message")
                .responseModel(new ModelRef("Result")).build());
        list.add(new ResponseMessageBuilder().code(401).message("Unauthorized")
                .responseModel(new ModelRef("Result")).build());
        list.add(new ResponseMessageBuilder().code(406).message("Not Acceptable")
                .responseModel(new ModelRef("Result")).build());

        return new Docket(DocumentationType.SWAGGER_2).select().apis(RequestHandlerSelectors.any())
                .paths(PathSelectors.any()).build().securitySchemes(Collections.singletonList(securitySchema()))
                .securityContexts(Collections.singletonList(securityContext())).pathMapping("/")
                .useDefaultResponseMessages(false).apiInfo(apiInfo()).globalResponseMessage(RequestMethod.GET, list)
                .globalResponseMessage(RequestMethod.POST, list);



    }

    private OAuth securitySchema() {

        List<AuthorizationScope> authorizationScopeList = newArrayList();
        authorizationScopeList.add(new AuthorizationScope("read", "read all"));
        authorizationScopeList.add(new AuthorizationScope("trust", "trust all"));
        authorizationScopeList.add(new AuthorizationScope("write", "access all"));

        List<GrantType> grantTypes = newArrayList();
        GrantType creGrant = new ResourceOwnerPasswordCredentialsGrant(authLink+"/oauth/token");

        grantTypes.add(creGrant);

        return new OAuth("oauth2schema", authorizationScopeList, grantTypes);

    }

    private SecurityContext securityContext() {
        return SecurityContext.builder().securityReferences(defaultAuth()).forPaths(PathSelectors.ant("/user/**"))
                .build();
    }

    private List<SecurityReference> defaultAuth() {

        final AuthorizationScope[] authorizationScopes = new AuthorizationScope[3];
        authorizationScopes[0] = new AuthorizationScope("read", "read all");
        authorizationScopes[1] = new AuthorizationScope("trust", "trust all");
        authorizationScopes[2] = new AuthorizationScope("write", "write all");

        return Collections.singletonList(new SecurityReference("oauth2schema", authorizationScopes));
    }

    @Bean
    public SecurityConfiguration securityInfo() {
        return new SecurityConfiguration(clientId, clientSecret, "", "", "", ApiKeyVehicle.HEADER, "", " ");
    }

    private ApiInfo apiInfo() {
        return new ApiInfoBuilder().title("My API title").description("")
                .termsOfServiceUrl("https://www.example.com/api")
                .contact(new Contact("Hasson", "http://www.example.com", "hasson@example.com"))
                .license("Open Source").licenseUrl("https://www.example.com").version("1.0.0").build();
    }

}

2) 在 POM 中使用这个 Swagger UI 版本 2.7.0:

    <dependency>
        <groupId>io.springfox</groupId>
        <artifactId>springfox-swagger2</artifactId>
        <version>2.7.0</version>
    </dependency>
    <dependency>
        <groupId>io.springfox</groupId>
        <artifactId>springfox-swagger-ui</artifactId>
        <version>2.7.0</version>
    </dependency>
    <dependency>
        <groupId>io.springfox</groupId>
        <artifactId>springfox-bean-validators</artifactId>
        <version>2.7.0</version>
    </dependency>

3) 在application.properties中添加如下属性:

host.full.dns.auth.link=http://oauthserver.example.com:8081
app.client.id=test-client
app.client.secret=clientSecret
auth.server.schem=http

4)在授权服务器中添加一个CORS过滤器:

package com.example.api.oauth2.oauth2server;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.stereotype.Component;

import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

/**
 * Allows cross origin for testing swagger docs using swagger-ui from local file
 * system
 */
@Component
public class CrossOriginFilter implements Filter {
    private static final Logger log = LoggerFactory.getLogger(CrossOriginFilter.class);

    @Override
    public void init(FilterConfig filterConfig) throws ServletException {

        // Called by the web container to indicate to a filter that it is being
        // placed into service.
        // We do not want to do anything here.
    }

    @Override
    public void doFilter(ServletRequest req, ServletResponse resp, FilterChain chain)
            throws IOException, ServletException {

        log.info("Applying CORS filter");
        HttpServletResponse response = (HttpServletResponse) resp;
        response.setHeader("Access-Control-Allow-Origin", "*");
        response.setHeader("Access-Control-Allow-Methods", "POST, GET, OPTIONS, DELETE");
        response.setHeader("Access-Control-Max-Age", "0");
        chain.doFilter(req, resp);
    }

    @Override
    public void destroy() {

        // Called by the web container to indicate to a filter that it is being
        // taken out of service.
        // We do not want to do anything here.
    }
}

如果您使用这些设置运行，您将在链接中获得授权按钮 http://apiServer.example.com:8080/swagger-ui.html#/ (如果你在 8080 上运行)如下:

然后当你点击授权按钮时，你会看到下面的对话框，添加你的用户名/密码和客户端 ID 和客户端密码的数据，类型必须是请求正文，我不知道为什么但是这个对我有用，尽管我认为它应该是基本身份验证，因为这是发送客户端 secret 的方式，无论如何，这就是 Swagger-ui 使用密码流的方式，并且您的所有 API 端点都再次工作。快乐 Swagger !!! :)