├── OAuthFlows.graffle ├── settings.gradle ├── applications ├── client │ ├── .DS_Store │ ├── src │ │ └── main │ │ │ ├── resources │ │ │ ├── static │ │ │ │ └── css │ │ │ │ │ └── application.css │ │ │ ├── application.yml │ │ │ └── templates │ │ │ │ ├── showvalue.html │ │ │ │ ├── exception_page.html │ │ │ │ ├── index.html │ │ │ │ ├── layout │ │ │ │ └── sitelayout.html │ │ │ │ └── show_token.html │ │ │ └── java │ │ │ └── samples │ │ │ └── authcode │ │ │ ├── web │ │ │ ├── ExceptionHandlingAdvice.java │ │ │ └── SampleController.java │ │ │ ├── service │ │ │ ├── TokenBeautifier.java │ │ │ └── DownstreamServiceHandler.java │ │ │ ├── config │ │ │ └── OAuth2SecurityConfig.java │ │ │ ├── Application.java │ │ │ └── SSLValidationDisabler.java │ ├── manifest.yml │ ├── run_with_vcap.sh │ └── build.gradle └── resourceserver │ ├── src │ ├── main │ │ ├── java │ │ │ └── org │ │ │ │ └── bk │ │ │ │ ├── ResourceServerApplication.java │ │ │ │ ├── web │ │ │ │ └── GreetingsController.java │ │ │ │ └── security │ │ │ │ └── ResourceServerConfiguration.java │ │ └── resources │ │ │ └── application.yml │ └── test │ │ └── java │ │ └── org │ │ └── bk │ │ └── AuthserverApplicationTests.java │ └── build.gradle ├── flows └── Authorization_Code_Flow.png ├── gradle └── wrapper │ ├── gradle-wrapper.jar │ └── gradle-wrapper.properties ├── .gitignore ├── README.adoc ├── gradlew.bat ├── gradlew └── LICENSE.md /OAuthFlows.graffle: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/bijukunjummen/oauth-uaa-sample/HEAD/OAuthFlows.graffle -------------------------------------------------------------------------------- /settings.gradle: -------------------------------------------------------------------------------- 1 | rootProject.name="oauth-uaa-sample" 2 | include('applications:client', 'applications:resourceserver') 3 | -------------------------------------------------------------------------------- /applications/client/.DS_Store: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/bijukunjummen/oauth-uaa-sample/HEAD/applications/client/.DS_Store -------------------------------------------------------------------------------- /flows/Authorization_Code_Flow.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/bijukunjummen/oauth-uaa-sample/HEAD/flows/Authorization_Code_Flow.png -------------------------------------------------------------------------------- /gradle/wrapper/gradle-wrapper.jar: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/bijukunjummen/oauth-uaa-sample/HEAD/gradle/wrapper/gradle-wrapper.jar -------------------------------------------------------------------------------- /applications/client/src/main/resources/static/css/application.css: -------------------------------------------------------------------------------- 1 | body { 2 | font-family: tahoma, verdana, arial, sans-serif; 3 | padding-top: 60px; 4 | } -------------------------------------------------------------------------------- /.gitignore: -------------------------------------------------------------------------------- 1 | target/ 2 | .settings/ 3 | .springBeans 4 | .classpath 5 | .project 6 | bin/ 7 | .cache 8 | .gradle 9 | .idea 10 | build/ 11 | out/ 12 | *.ipr 13 | *.iws 14 | *.iml 15 | /classes/ 16 | -------------------------------------------------------------------------------- /gradle/wrapper/gradle-wrapper.properties: -------------------------------------------------------------------------------- 1 | #Fri Feb 10 15:03:08 PST 2017 2 | distributionBase=GRADLE_USER_HOME 3 | distributionPath=wrapper/dists 4 | zipStoreBase=GRADLE_USER_HOME 5 | zipStorePath=wrapper/dists 6 | distributionUrl=https\://services.gradle.org/distributions/gradle-4.2-all.zip 7 | -------------------------------------------------------------------------------- /applications/client/manifest.yml: -------------------------------------------------------------------------------- 1 | --- 2 | applications: 3 | - name: authcode-sample 4 | memory: 512M 5 | instances: 1 6 | path: build/libs/authcode.jar 7 | env: 8 | SKIP_SSL_VALIDATION: "true" 9 | GRANT_TYPE: authorization_code 10 | SSO_IDENTITY_PROVIDERS: uaa 11 | -------------------------------------------------------------------------------- /applications/resourceserver/src/main/java/org/bk/ResourceServerApplication.java: -------------------------------------------------------------------------------- 1 | package org.bk; 2 | 3 | import org.springframework.boot.SpringApplication; 4 | import org.springframework.boot.autoconfigure.SpringBootApplication; 5 | 6 | @SpringBootApplication 7 | public class ResourceServerApplication { 8 | 9 | public static void main(String[] args) { 10 | SpringApplication.run(ResourceServerApplication.class, args); 11 | } 12 | } 13 | -------------------------------------------------------------------------------- /applications/resourceserver/src/test/java/org/bk/AuthserverApplicationTests.java: -------------------------------------------------------------------------------- 1 | package org.bk; 2 | 3 | import org.junit.Test; 4 | import org.junit.runner.RunWith; 5 | import org.springframework.boot.test.context.SpringBootTest; 6 | import org.springframework.test.context.junit4.SpringRunner; 7 | 8 | @RunWith(SpringRunner.class) 9 | @SpringBootTest 10 | public class AuthserverApplicationTests { 11 | 12 | @Test 13 | public void contextLoads() { 14 | } 15 | 16 | } 17 | -------------------------------------------------------------------------------- /applications/resourceserver/src/main/resources/application.yml: -------------------------------------------------------------------------------- 1 | ssoServiceUrl: http://localhost:8080/uaa 2 | server: 3 | port: 9999 4 | spring: 5 | thymeleaf: 6 | cache: false 7 | security: 8 | ignored: /favicon.ico, / 9 | basic: 10 | enabled: false 11 | oauth2: 12 | client: 13 | client-id: resource1 14 | client-secret: resource1 15 | resource: 16 | token-info-uri: ${ssoServiceUrl}/oauth/check_token 17 | jwt: 18 | key-uri: ${ssoServiceUrl}/token_key 19 | user-info-uri: ${ssoServiceUrl}/userinfo 20 | id: resource 21 | 22 | logging.level: 23 | org.springframework.security: DEBUG -------------------------------------------------------------------------------- /applications/client/src/main/resources/application.yml: -------------------------------------------------------------------------------- 1 | ssoServiceUrl: http://localhost:8080/uaa 2 | server: 3 | port: 8888 4 | spring: 5 | thymeleaf: 6 | cache: false 7 | security: 8 | ignored: /favicon.ico, /webjars/**, /css/** 9 | basic: 10 | enabled: false 11 | oauth2: 12 | client: 13 | client-id: client1 14 | client-secret: client1 15 | access-token-uri: ${ssoServiceUrl}/oauth/token 16 | user-authorization-uri: ${ssoServiceUrl}/oauth/authorize 17 | resource: 18 | token-info-uri: http://localhost:8080/check_token 19 | jwt: 20 | key-uri: ${ssoServiceUrl}/token_key 21 | user-info-uri: ${ssoServiceUrl}/userinfo 22 | 23 | logging.level: 24 | org.springframework.security: INFO 25 | resourceServerUrl: ${RESOURCE_URL:http://localhost:9999} -------------------------------------------------------------------------------- /applications/client/run_with_vcap.sh: -------------------------------------------------------------------------------- 1 | read -r -d '' VCAP_APPLICATION <<'ENDOFVAR' 2 | {"application_version":"1","application_name":"sample-client","application_uris":[""],"version":"1.0","name":"sample-client","instance_id":"abcd","instance_index":0} 3 | ENDOFVAR 4 | 5 | export VCAP_APPLICATION=$VCAP_APPLICATION 6 | 7 | read -r -d '' VCAP_SERVICES <<'ENDOFVAR' 8 | { 9 | "p-identity": [ 10 | { 11 | "credentials": { 12 | "client_id": "live-test-auth", 13 | "client_secret": "live-test-auth", 14 | "auth_domain": "http://localhost:8080" 15 | }, 16 | "syslog_drain_url": null, 17 | "volume_mounts": [], 18 | "label": "p-identity", 19 | "provider": null, 20 | "plan": "uaa-only", 21 | "name": "bk-test-sso", 22 | "tags": [] 23 | } 24 | ] 25 | } 26 | ENDOFVAR 27 | 28 | export VCAP_SERVICES=$VCAP_SERVICES 29 | 30 | ./gradlew clean bootRun -------------------------------------------------------------------------------- /applications/client/src/main/java/samples/authcode/web/ExceptionHandlingAdvice.java: -------------------------------------------------------------------------------- 1 | package samples.authcode.web; 2 | 3 | import org.springframework.security.oauth2.client.resource.OAuth2AccessDeniedException; 4 | import org.springframework.ui.Model; 5 | import org.springframework.web.bind.annotation.ControllerAdvice; 6 | import org.springframework.web.bind.annotation.ExceptionHandler; 7 | import org.springframework.web.servlet.mvc.method.annotation.ResponseEntityExceptionHandler; 8 | 9 | @ControllerAdvice 10 | public class ExceptionHandlingAdvice extends ResponseEntityExceptionHandler { 11 | 12 | @ExceptionHandler(OAuth2AccessDeniedException.class) 13 | public String handleCustomBindException(OAuth2AccessDeniedException ex, Model model) { 14 | model.addAttribute("exception_message", 15 | String.format("Http Error Code: %s, OAuth2Error Code: %s, Exception Message: %s", 16 | ex.getHttpErrorCode(), ex.getOAuth2ErrorCode(), ex.getMessage())); 17 | return "exception_page"; 18 | } 19 | 20 | } -------------------------------------------------------------------------------- /applications/client/src/main/resources/templates/showvalue.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | OAuth2 Sample 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 |
16 | 17 |
18 |
19 |   20 |
21 |
22 |

Received from Downstream:

23 |

24 |         
25 |
26 |   27 |
28 |
29 |
30 | 31 | 32 | -------------------------------------------------------------------------------- /applications/client/src/main/resources/templates/exception_page.html: -------------------------------------------------------------------------------- 1 | 2 | 5 | 6 | Exception Details 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 |
16 | 17 |
18 |
19 |   20 |
21 |
22 |

Exception Message:

23 |

24 |         
25 |
26 |   27 |
28 |
29 |
30 | 31 | 32 | -------------------------------------------------------------------------------- /applications/resourceserver/src/main/java/org/bk/web/GreetingsController.java: -------------------------------------------------------------------------------- 1 | package org.bk.web; 2 | 3 | import org.springframework.security.access.prepost.PreAuthorize; 4 | import org.springframework.security.core.Authentication; 5 | import org.springframework.web.bind.annotation.RequestMapping; 6 | import org.springframework.web.bind.annotation.RequestMethod; 7 | import org.springframework.web.bind.annotation.ResponseBody; 8 | import org.springframework.web.bind.annotation.RestController; 9 | 10 | @RestController 11 | public class GreetingsController { 12 | @PreAuthorize("#oauth2.hasScope('resource.read')") 13 | @RequestMapping(method = RequestMethod.GET, value = "/secured/read") 14 | @ResponseBody 15 | public String read(Authentication authentication) { 16 | return String.format("Read Called: Hello %s", authentication.getCredentials()); 17 | } 18 | 19 | @PreAuthorize("#oauth2.hasScope('resource.write')") 20 | @RequestMapping(method = RequestMethod.GET, value = "/secured/write") 21 | @ResponseBody 22 | public String write(Authentication authentication) { 23 | return String.format("Write Called: Hello %s", authentication.getCredentials()); 24 | } 25 | } 26 | -------------------------------------------------------------------------------- /applications/client/src/main/java/samples/authcode/service/TokenBeautifier.java: -------------------------------------------------------------------------------- 1 | package samples.authcode.service; 2 | 3 | import com.fasterxml.jackson.core.type.TypeReference; 4 | import com.fasterxml.jackson.databind.ObjectMapper; 5 | import org.apache.commons.codec.binary.Base64; 6 | import org.springframework.beans.factory.annotation.Autowired; 7 | import org.springframework.stereotype.Service; 8 | 9 | import java.io.IOException; 10 | import java.util.Map; 11 | 12 | @Service 13 | public class TokenBeautifier { 14 | 15 | @Autowired 16 | private ObjectMapper objectMapper; 17 | 18 | public String formatJwtToken(String token) { 19 | try { 20 | return toPrettyJsonString(parseToken(token)); 21 | } catch (Exception e) { 22 | return ""; 23 | } 24 | } 25 | 26 | private Map parseToken(String base64Token) throws IOException { 27 | String token = base64Token.split("\\.")[1]; 28 | return this.objectMapper.readValue(Base64.decodeBase64(token), 29 | new TypeReference>() {}); 30 | } 31 | 32 | private String toPrettyJsonString(Object object) throws Exception { 33 | return this.objectMapper.writerWithDefaultPrettyPrinter().writeValueAsString(object); 34 | } 35 | } 36 | -------------------------------------------------------------------------------- /applications/client/src/main/java/samples/authcode/config/OAuth2SecurityConfig.java: -------------------------------------------------------------------------------- 1 | package samples.authcode.config; 2 | 3 | import org.springframework.boot.autoconfigure.security.oauth2.client.EnableOAuth2Sso; 4 | import org.springframework.context.annotation.Configuration; 5 | import org.springframework.security.config.annotation.web.builders.HttpSecurity; 6 | import org.springframework.security.config.annotation.web.builders.WebSecurity; 7 | import org.springframework.security.config.annotation.web.configuration.WebSecurityConfigurerAdapter; 8 | 9 | @EnableOAuth2Sso 10 | @Configuration 11 | public class OAuth2SecurityConfig extends WebSecurityConfigurerAdapter { 12 | @Override 13 | public void configure(WebSecurity web) throws Exception { 14 | super.configure(web); 15 | } 16 | 17 | @Override 18 | protected void configure(HttpSecurity http) throws Exception { 19 | http.csrf().disable(); 20 | 21 | //@formatter:off 22 | http.authorizeRequests() 23 | .antMatchers("/secured/**") 24 | .authenticated() 25 | .antMatchers("/") 26 | .permitAll() 27 | .anyRequest() 28 | .authenticated(); 29 | 30 | //@formatter:on 31 | 32 | } 33 | 34 | } 35 | -------------------------------------------------------------------------------- /applications/resourceserver/build.gradle: -------------------------------------------------------------------------------- 1 | buildscript { 2 | ext { 3 | springBootVersion = '1.5.9.RELEASE' 4 | } 5 | repositories { 6 | mavenCentral() 7 | } 8 | dependencies { 9 | classpath("org.springframework.boot:spring-boot-gradle-plugin:${springBootVersion}") 10 | } 11 | } 12 | 13 | apply plugin: 'java' 14 | apply plugin: 'org.springframework.boot' 15 | 16 | 17 | ext { 18 | sourceCompatibility = 1.8 19 | targetCompatibility = 1.8 20 | } 21 | 22 | jar { 23 | baseName = 'resourceserver' 24 | version = '0.0.1-SNAPSHOT' 25 | } 26 | 27 | repositories { 28 | mavenCentral() 29 | jcenter() 30 | maven { 31 | url 'https://repo.spring.io/libs-release' 32 | } 33 | } 34 | 35 | dependencies { 36 | compile 'org.springframework.cloud:spring-cloud-starter-oauth2' 37 | compile('org.springframework.boot:spring-boot-starter-web') 38 | compile('org.springframework.boot:spring-boot-starter-actuator') 39 | compile('org.springframework.boot:spring-boot-devtools') 40 | compile('org.springframework.security:spring-security-jwt') 41 | testCompile('org.springframework.boot:spring-boot-starter-test') 42 | } 43 | 44 | dependencyManagement { 45 | imports { 46 | mavenBom "org.springframework.cloud:spring-cloud-dependencies:Edgware.RELEASE" 47 | } 48 | } -------------------------------------------------------------------------------- /applications/client/src/main/resources/templates/index.html: -------------------------------------------------------------------------------- 1 | 2 | 5 | 6 | Sample Client 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 |
16 |
17 |
18 |   19 |
20 |
21 |
22 | 23 |
24 |
25 |
26 |
27 |
28 |   29 |
30 | 33 |
34 |
35 | 36 | 37 | -------------------------------------------------------------------------------- /applications/resourceserver/src/main/java/org/bk/security/ResourceServerConfiguration.java: -------------------------------------------------------------------------------- 1 | package org.bk.security; 2 | 3 | import org.springframework.context.annotation.Configuration; 4 | import org.springframework.security.config.annotation.method.configuration.EnableGlobalMethodSecurity; 5 | import org.springframework.security.config.annotation.web.builders.HttpSecurity; 6 | import org.springframework.security.config.annotation.web.configuration.EnableWebSecurity; 7 | import org.springframework.security.oauth2.config.annotation.web.configuration.EnableResourceServer; 8 | import org.springframework.security.oauth2.config.annotation.web.configuration.ResourceServerConfigurerAdapter; 9 | import org.springframework.security.oauth2.config.annotation.web.configurers.ResourceServerSecurityConfigurer; 10 | 11 | @Configuration 12 | @EnableResourceServer 13 | @EnableWebSecurity 14 | @EnableGlobalMethodSecurity(securedEnabled = true, prePostEnabled = true) 15 | public class ResourceServerConfiguration extends ResourceServerConfigurerAdapter { 16 | 17 | @Override 18 | public void configure(ResourceServerSecurityConfigurer resources) { 19 | resources.resourceId("resource"); 20 | } 21 | 22 | @Override 23 | public void configure(HttpSecurity http) throws Exception { 24 | http 25 | .antMatcher("/secured/**") 26 | .authorizeRequests() 27 | .anyRequest().authenticated(); 28 | } 29 | } 30 | -------------------------------------------------------------------------------- /applications/client/build.gradle: -------------------------------------------------------------------------------- 1 | buildscript { 2 | ext { 3 | springBootVersion = '1.5.9.RELEASE' 4 | } 5 | repositories { 6 | mavenCentral() 7 | } 8 | dependencies { 9 | classpath("org.springframework.boot:spring-boot-gradle-plugin:${springBootVersion}") 10 | } 11 | } 12 | 13 | ext { 14 | sourceCompatibility = 1.8 15 | targetCompatibility = 1.8 16 | } 17 | 18 | apply plugin: 'java' 19 | apply plugin: 'org.springframework.boot' 20 | 21 | 22 | repositories { 23 | mavenCentral() 24 | jcenter() 25 | maven { 26 | url 'https://repo.spring.io/libs-release' 27 | } 28 | } 29 | 30 | dependencies { 31 | compile 'org.springframework.cloud:spring-cloud-starter-oauth2' 32 | compile('org.springframework.boot:spring-boot-starter-web') 33 | compile('org.springframework.boot:spring-boot-starter-actuator') 34 | compile('org.springframework.boot:spring-boot-devtools') 35 | compile 'org.springframework.boot:spring-boot-starter-thymeleaf' 36 | compile "org.thymeleaf.extras:thymeleaf-extras-springsecurity4" 37 | compile("org.webjars:bootstrap:3.3.7") 38 | compile("org.webjars:jquery:3.1.1") 39 | compile('nz.net.ultraq.thymeleaf:thymeleaf-layout-dialect') 40 | testCompile('org.springframework.boot:spring-boot-starter-test') 41 | } 42 | 43 | dependencyManagement { 44 | imports { 45 | mavenBom "org.springframework.cloud:spring-cloud-dependencies:Edgware.RELEASE" 46 | } 47 | } -------------------------------------------------------------------------------- /applications/client/src/main/java/samples/authcode/service/DownstreamServiceHandler.java: -------------------------------------------------------------------------------- 1 | package samples.authcode.service; 2 | 3 | import org.springframework.http.ResponseEntity; 4 | import org.springframework.security.oauth2.client.OAuth2RestTemplate; 5 | import org.springframework.web.client.HttpStatusCodeException; 6 | 7 | public class DownstreamServiceHandler { 8 | 9 | private final OAuth2RestTemplate oAuth2RestTemplate; 10 | private final String resourceUrl; 11 | 12 | 13 | public DownstreamServiceHandler(OAuth2RestTemplate oAuth2RestTemplate, String resourceUrl) { 14 | this.oAuth2RestTemplate = oAuth2RestTemplate; 15 | this.resourceUrl = resourceUrl; 16 | } 17 | 18 | 19 | public String callRead() { 20 | return callDownstream(String.format("%s/secured/read", resourceUrl)); 21 | } 22 | 23 | public String callWrite() { 24 | return callDownstream(String.format("%s/secured/write", resourceUrl)); 25 | } 26 | 27 | public String callInvalidScope() { 28 | return callDownstream(String.format("%s/secured/invalid", resourceUrl)); 29 | } 30 | 31 | private String callDownstream(String uri) { 32 | try { 33 | ResponseEntity responseEntity = this.oAuth2RestTemplate.getForEntity(uri, String.class); 34 | return responseEntity.getBody(); 35 | } catch(HttpStatusCodeException statusCodeException) { 36 | return statusCodeException.getResponseBodyAsString(); 37 | } 38 | } 39 | } 40 | -------------------------------------------------------------------------------- /applications/client/src/main/java/samples/authcode/Application.java: -------------------------------------------------------------------------------- 1 | package samples.authcode; 2 | 3 | import org.springframework.beans.factory.annotation.Value; 4 | import org.springframework.boot.SpringApplication; 5 | import org.springframework.boot.autoconfigure.SpringBootApplication; 6 | import org.springframework.context.annotation.Bean; 7 | import org.springframework.security.oauth2.client.OAuth2ClientContext; 8 | import org.springframework.security.oauth2.client.OAuth2RestTemplate; 9 | import org.springframework.security.oauth2.client.resource.OAuth2ProtectedResourceDetails; 10 | import samples.authcode.service.DownstreamServiceHandler; 11 | 12 | @SpringBootApplication 13 | public class Application { 14 | 15 | @Value("${resourceServerUrl}") 16 | private String resourceServerUrl; 17 | 18 | public static void main(String[] args) { 19 | if ("true".equals(System.getenv("SKIP_SSL_VALIDATION"))) { 20 | SSLValidationDisabler.disableSSLValidation(); 21 | } 22 | SpringApplication.run(Application.class, args); 23 | } 24 | 25 | @Bean 26 | public OAuth2RestTemplate oAuth2RestTemplate(OAuth2ProtectedResourceDetails oAuth2ProtectedResourceDetails, 27 | OAuth2ClientContext oAuth2ClientContext) { 28 | return new OAuth2RestTemplate(oAuth2ProtectedResourceDetails, oAuth2ClientContext); 29 | } 30 | 31 | @Bean 32 | public DownstreamServiceHandler downstreamServiceHandler(OAuth2RestTemplate oAuth2RestTemplate) { 33 | return new DownstreamServiceHandler(oAuth2RestTemplate, resourceServerUrl); 34 | } 35 | 36 | } 37 | -------------------------------------------------------------------------------- /applications/client/src/main/java/samples/authcode/SSLValidationDisabler.java: -------------------------------------------------------------------------------- 1 | package samples.authcode; 2 | 3 | import java.security.GeneralSecurityException; 4 | import java.security.SecureRandom; 5 | import java.security.cert.X509Certificate; 6 | 7 | import javax.net.ssl.HostnameVerifier; 8 | import javax.net.ssl.HttpsURLConnection; 9 | import javax.net.ssl.SSLContext; 10 | import javax.net.ssl.SSLSession; 11 | import javax.net.ssl.TrustManager; 12 | import javax.net.ssl.X509TrustManager; 13 | 14 | // From https://github.com/pivotal-cf/identity-sample-apps 15 | 16 | public class SSLValidationDisabler { 17 | public static void disableSSLValidation() { 18 | TrustManager[] trustAllCerts = new TrustManager[] { new X509TrustManager() { 19 | public X509Certificate[] getAcceptedIssuers() { 20 | return new X509Certificate[0]; 21 | } 22 | 23 | public void checkClientTrusted(java.security.cert.X509Certificate[] certs, String authType) { 24 | } 25 | 26 | public void checkServerTrusted(java.security.cert.X509Certificate[] certs, String authType) { 27 | } 28 | } }; 29 | 30 | // Install the all-trusting trust manager 31 | try { 32 | SSLContext sc = SSLContext.getInstance("SSL"); 33 | sc.init(null, trustAllCerts, new SecureRandom()); 34 | HttpsURLConnection.setDefaultSSLSocketFactory(sc.getSocketFactory()); 35 | HttpsURLConnection.setDefaultHostnameVerifier(new HostnameVerifier() { 36 | @Override 37 | public boolean verify(String hostname, SSLSession session) { 38 | return true; 39 | } 40 | }); 41 | } catch (GeneralSecurityException e) { 42 | } 43 | } 44 | 45 | } 46 | -------------------------------------------------------------------------------- /applications/client/src/main/resources/templates/layout/sitelayout.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | OAuth Sample 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 27 |
28 |
29 |

Static content for prototyping purposes only

30 |

31 | This is the layout of the site. The actual content will come from individual views making use of this layout 32 |

33 |
34 |
35 | 44 | 45 | -------------------------------------------------------------------------------- /applications/client/src/main/resources/templates/show_token.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | Authcode sample 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 |
15 | 16 |
17 |
18 |   19 |
20 |
21 |

Access Token of the Logged In User

22 |

23 |         
24 | 25 |
26 |   27 |
28 |
29 | 30 |
31 |
32 |   33 |
34 |
35 |

Things to try:

36 | 50 |
51 |
52 |   53 |
54 |
55 |
56 | 57 | 58 | -------------------------------------------------------------------------------- /README.adoc: -------------------------------------------------------------------------------- 1 | These samples are heavily based on https://github.com/pivotal-cf/identity-sample-apps 2 | 3 | 4 | == Start an OAuth2 authorization server 5 | 6 | Follow the details in http://www.java-allandsundry.com/2017/02/bootstrapping-oauth2-authorization.html[this blog post] to bring up an authorization server. 7 | 8 | Use the https://github.com/cloudfoundry/cf-uaac[uaac] command line utility to interact with UAA to populate the details of some of the actors involved: 9 | 10 | [source, bash] 11 | ---- 12 | # Target local UAA 13 | uaac target http://localhost:8080/uaa --skip-ssl-validation 14 | 15 | # Login as a canned client 16 | uaac token client get admin -s adminsecret 17 | 18 | # Add a client credential with client_id of client1 and client_secret of client1 19 | uaac client add client1 \ 20 | --name client1 \ 21 | --scope resource.read,resource.write \ 22 | -s client1 \ 23 | --authorized_grant_types authorization_code,refresh_token,client_credentials \ 24 | --authorities uaa.resource \ 25 | --redirect_uri http://localhost:8888/** 26 | 27 | 28 | # Another client credential resource1/resource1 29 | uaac client add resource1 \ 30 | --name resource1 \ 31 | -s resource1 \ 32 | --authorized_grant_types client_credentials \ 33 | --authorities uaa.resource 34 | 35 | 36 | # Add a user called user1/user1 37 | uaac user add user1 -p user1 --emails user1@user1.com 38 | 39 | 40 | # Add two scopes resource.read, resource.write 41 | uaac group add resource.read 42 | uaac group add resource.write 43 | 44 | # Assign user1 both resource.read, resource.write scopes.. 45 | uaac member add resource.read user1 46 | uaac member add resource.write user1 47 | 48 | ---- 49 | 50 | == Start the client 51 | 52 | 53 | [source, bash] 54 | ---- 55 | ./gradlew -p applications/client clean bootRun 56 | ---- 57 | 58 | 59 | == Start the resource Server 60 | 61 | 62 | [source, bash] 63 | ---- 64 | ./gradlew -p applications/resourceserver clean bootRun 65 | ---- 66 | 67 | 68 | == Test An Authorization Code flow 69 | 70 | image::https://raw.githubusercontent.com/bijukunjummen/oauth-uaa-sample/master/flows/Authorization_Code_Flow.png[Authorization Code Grant Type] 71 | 72 | Go to UI available at http://localhost:8888/ and click the UI to access a secure page. Login with user1/user1 when prompted. 73 | -------------------------------------------------------------------------------- /gradlew.bat: -------------------------------------------------------------------------------- 1 | @if "%DEBUG%" == "" @echo off 2 | @rem ########################################################################## 3 | @rem 4 | @rem Gradle startup script for Windows 5 | @rem 6 | @rem ########################################################################## 7 | 8 | @rem Set local scope for the variables with windows NT shell 9 | if "%OS%"=="Windows_NT" setlocal 10 | 11 | set DIRNAME=%~dp0 12 | if "%DIRNAME%" == "" set DIRNAME=. 13 | set APP_BASE_NAME=%~n0 14 | set APP_HOME=%DIRNAME% 15 | 16 | @rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script. 17 | set DEFAULT_JVM_OPTS= 18 | 19 | @rem Find java.exe 20 | if defined JAVA_HOME goto findJavaFromJavaHome 21 | 22 | set JAVA_EXE=java.exe 23 | %JAVA_EXE% -version >NUL 2>&1 24 | if "%ERRORLEVEL%" == "0" goto init 25 | 26 | echo. 27 | echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. 28 | echo. 29 | echo Please set the JAVA_HOME variable in your environment to match the 30 | echo location of your Java installation. 31 | 32 | goto fail 33 | 34 | :findJavaFromJavaHome 35 | set JAVA_HOME=%JAVA_HOME:"=% 36 | set JAVA_EXE=%JAVA_HOME%/bin/java.exe 37 | 38 | if exist "%JAVA_EXE%" goto init 39 | 40 | echo. 41 | echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME% 42 | echo. 43 | echo Please set the JAVA_HOME variable in your environment to match the 44 | echo location of your Java installation. 45 | 46 | goto fail 47 | 48 | :init 49 | @rem Get command-line arguments, handling Windows variants 50 | 51 | if not "%OS%" == "Windows_NT" goto win9xME_args 52 | 53 | :win9xME_args 54 | @rem Slurp the command line arguments. 55 | set CMD_LINE_ARGS= 56 | set _SKIP=2 57 | 58 | :win9xME_args_slurp 59 | if "x%~1" == "x" goto execute 60 | 61 | set CMD_LINE_ARGS=%* 62 | 63 | :execute 64 | @rem Setup the command line 65 | 66 | set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar 67 | 68 | @rem Execute Gradle 69 | "%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %CMD_LINE_ARGS% 70 | 71 | :end 72 | @rem End local scope for the variables with windows NT shell 73 | if "%ERRORLEVEL%"=="0" goto mainEnd 74 | 75 | :fail 76 | rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of 77 | rem the _cmd.exe /c_ return code! 78 | if not "" == "%GRADLE_EXIT_CONSOLE%" exit 1 79 | exit /b 1 80 | 81 | :mainEnd 82 | if "%OS%"=="Windows_NT" endlocal 83 | 84 | :omega 85 | -------------------------------------------------------------------------------- /applications/client/src/main/java/samples/authcode/web/SampleController.java: -------------------------------------------------------------------------------- 1 | package samples.authcode.web; 2 | 3 | import com.fasterxml.jackson.databind.ObjectMapper; 4 | import org.springframework.beans.factory.annotation.Autowired; 5 | import org.springframework.beans.factory.annotation.Value; 6 | import org.springframework.security.core.Authentication; 7 | import org.springframework.security.core.context.SecurityContextHolder; 8 | import org.springframework.security.oauth2.client.OAuth2ClientContext; 9 | import org.springframework.security.oauth2.provider.OAuth2Authentication; 10 | import org.springframework.security.oauth2.provider.authentication.OAuth2AuthenticationDetails; 11 | import org.springframework.security.web.authentication.logout.SecurityContextLogoutHandler; 12 | import org.springframework.stereotype.Controller; 13 | import org.springframework.ui.Model; 14 | import org.springframework.web.bind.annotation.ModelAttribute; 15 | import org.springframework.web.bind.annotation.RequestMapping; 16 | import samples.authcode.service.DownstreamServiceHandler; 17 | import samples.authcode.service.TokenBeautifier; 18 | 19 | import javax.servlet.http.HttpServletRequest; 20 | import javax.servlet.http.HttpServletResponse; 21 | import java.io.IOException; 22 | import java.net.URL; 23 | 24 | import static org.springframework.web.bind.annotation.RequestMethod.GET; 25 | 26 | @Controller 27 | public class SampleController { 28 | 29 | @Value("${ssoServiceUrl:placeholder}") 30 | private String ssoServiceUrl; 31 | 32 | @Autowired 33 | private ObjectMapper objectMapper; 34 | 35 | @Value("${security.oauth2.client.clientId:client1}") 36 | private String clientId; 37 | 38 | @Autowired 39 | private OAuth2ClientContext oAuth2ClientContext; 40 | 41 | @Autowired 42 | private DownstreamServiceHandler downstreamServiceHandler; 43 | 44 | @Autowired 45 | private TokenBeautifier tokenBeautifier; 46 | 47 | @ModelAttribute 48 | public void addCommonAttributes(Model model) { 49 | model.addAttribute("ssoServiceUrl", ssoServiceUrl); 50 | } 51 | 52 | @RequestMapping("/") 53 | public String index() { 54 | return "index"; 55 | } 56 | 57 | @RequestMapping("/secured/show_token") 58 | public String authCode(Model model, HttpServletRequest request) throws Exception { 59 | OAuth2Authentication auth = (OAuth2Authentication)SecurityContextHolder.getContext().getAuthentication(); 60 | OAuth2AuthenticationDetails details = (OAuth2AuthenticationDetails)auth.getDetails(); 61 | String tokenValue = details.getTokenValue(); 62 | 63 | if (tokenValue != null) { 64 | model.addAttribute("access_token", tokenBeautifier.formatJwtToken(tokenValue)); 65 | } 66 | return "show_token"; 67 | } 68 | 69 | @RequestMapping("/secured/read") 70 | public String callDownStreamWithReadScope(Model model) { 71 | String received = this.downstreamServiceHandler.callRead(); 72 | model.addAttribute("received", received); 73 | return "showvalue"; 74 | } 75 | 76 | @RequestMapping("/secured/write") 77 | public String callDownStreamWithWriteScope(Model model) { 78 | String received = this.downstreamServiceHandler.callWrite(); 79 | model.addAttribute("received", received); 80 | return "showvalue"; 81 | } 82 | 83 | @RequestMapping(value = "/userlogout", method = GET) 84 | public String logout(HttpServletRequest request, HttpServletResponse response) throws IOException { 85 | Authentication auth = SecurityContextHolder.getContext().getAuthentication(); 86 | if (auth != null) { 87 | new SecurityContextLogoutHandler().logout(request, response, auth); 88 | } 89 | URL url = new URL(request.getRequestURL().toString()); 90 | String urlStr = url.getProtocol() + "://" + url.getAuthority(); 91 | return "redirect:" + ssoServiceUrl + "/logout.do?redirect=" + urlStr + "&clientId=" + clientId; 92 | } 93 | } 94 | -------------------------------------------------------------------------------- /gradlew: -------------------------------------------------------------------------------- 1 | #!/usr/bin/env sh 2 | 3 | ############################################################################## 4 | ## 5 | ## Gradle start up script for UN*X 6 | ## 7 | ############################################################################## 8 | 9 | # Attempt to set APP_HOME 10 | # Resolve links: $0 may be a link 11 | PRG="$0" 12 | # Need this for relative symlinks. 13 | while [ -h "$PRG" ] ; do 14 | ls=`ls -ld "$PRG"` 15 | link=`expr "$ls" : '.*-> \(.*\)$'` 16 | if expr "$link" : '/.*' > /dev/null; then 17 | PRG="$link" 18 | else 19 | PRG=`dirname "$PRG"`"/$link" 20 | fi 21 | done 22 | SAVED="`pwd`" 23 | cd "`dirname \"$PRG\"`/" >/dev/null 24 | APP_HOME="`pwd -P`" 25 | cd "$SAVED" >/dev/null 26 | 27 | APP_NAME="Gradle" 28 | APP_BASE_NAME=`basename "$0"` 29 | 30 | # Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script. 31 | DEFAULT_JVM_OPTS="" 32 | 33 | # Use the maximum available, or set MAX_FD != -1 to use that value. 34 | MAX_FD="maximum" 35 | 36 | warn ( ) { 37 | echo "$*" 38 | } 39 | 40 | die ( ) { 41 | echo 42 | echo "$*" 43 | echo 44 | exit 1 45 | } 46 | 47 | # OS specific support (must be 'true' or 'false'). 48 | cygwin=false 49 | msys=false 50 | darwin=false 51 | nonstop=false 52 | case "`uname`" in 53 | CYGWIN* ) 54 | cygwin=true 55 | ;; 56 | Darwin* ) 57 | darwin=true 58 | ;; 59 | MINGW* ) 60 | msys=true 61 | ;; 62 | NONSTOP* ) 63 | nonstop=true 64 | ;; 65 | esac 66 | 67 | CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar 68 | 69 | # Determine the Java command to use to start the JVM. 70 | if [ -n "$JAVA_HOME" ] ; then 71 | if [ -x "$JAVA_HOME/jre/sh/java" ] ; then 72 | # IBM's JDK on AIX uses strange locations for the executables 73 | JAVACMD="$JAVA_HOME/jre/sh/java" 74 | else 75 | JAVACMD="$JAVA_HOME/bin/java" 76 | fi 77 | if [ ! -x "$JAVACMD" ] ; then 78 | die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME 79 | 80 | Please set the JAVA_HOME variable in your environment to match the 81 | location of your Java installation." 82 | fi 83 | else 84 | JAVACMD="java" 85 | which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. 86 | 87 | Please set the JAVA_HOME variable in your environment to match the 88 | location of your Java installation." 89 | fi 90 | 91 | # Increase the maximum file descriptors if we can. 92 | if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then 93 | MAX_FD_LIMIT=`ulimit -H -n` 94 | if [ $? -eq 0 ] ; then 95 | if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then 96 | MAX_FD="$MAX_FD_LIMIT" 97 | fi 98 | ulimit -n $MAX_FD 99 | if [ $? -ne 0 ] ; then 100 | warn "Could not set maximum file descriptor limit: $MAX_FD" 101 | fi 102 | else 103 | warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT" 104 | fi 105 | fi 106 | 107 | # For Darwin, add options to specify how the application appears in the dock 108 | if $darwin; then 109 | GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\"" 110 | fi 111 | 112 | # For Cygwin, switch paths to Windows format before running java 113 | if $cygwin ; then 114 | APP_HOME=`cygpath --path --mixed "$APP_HOME"` 115 | CLASSPATH=`cygpath --path --mixed "$CLASSPATH"` 116 | JAVACMD=`cygpath --unix "$JAVACMD"` 117 | 118 | # We build the pattern for arguments to be converted via cygpath 119 | ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null` 120 | SEP="" 121 | for dir in $ROOTDIRSRAW ; do 122 | ROOTDIRS="$ROOTDIRS$SEP$dir" 123 | SEP="|" 124 | done 125 | OURCYGPATTERN="(^($ROOTDIRS))" 126 | # Add a user-defined pattern to the cygpath arguments 127 | if [ "$GRADLE_CYGPATTERN" != "" ] ; then 128 | OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)" 129 | fi 130 | # Now convert the arguments - kludge to limit ourselves to /bin/sh 131 | i=0 132 | for arg in "$@" ; do 133 | CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -` 134 | CHECK2=`echo "$arg"|egrep -c "^-"` ### Determine if an option 135 | 136 | if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then ### Added a condition 137 | eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"` 138 | else 139 | eval `echo args$i`="\"$arg\"" 140 | fi 141 | i=$((i+1)) 142 | done 143 | case $i in 144 | (0) set -- ;; 145 | (1) set -- "$args0" ;; 146 | (2) set -- "$args0" "$args1" ;; 147 | (3) set -- "$args0" "$args1" "$args2" ;; 148 | (4) set -- "$args0" "$args1" "$args2" "$args3" ;; 149 | (5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;; 150 | (6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;; 151 | (7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;; 152 | (8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;; 153 | (9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;; 154 | esac 155 | fi 156 | 157 | # Escape application args 158 | save ( ) { 159 | for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done 160 | echo " " 161 | } 162 | APP_ARGS=$(save "$@") 163 | 164 | # Collect all arguments for the java command, following the shell quoting and substitution rules 165 | eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS" 166 | 167 | # by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong 168 | if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then 169 | cd "$(dirname "$0")" 170 | fi 171 | 172 | exec "$JAVACMD" "$@" 173 | -------------------------------------------------------------------------------- /LICENSE.md: -------------------------------------------------------------------------------- 1 | Apache License 2 | Version 2.0, January 2004 3 | http://www.apache.org/licenses/ 4 | 5 | TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION 6 | 7 | 1. Definitions. 8 | 9 | "License" shall mean the terms and conditions for use, reproduction, 10 | and distribution as defined by Sections 1 through 9 of this document. 11 | 12 | "Licensor" shall mean the copyright owner or entity authorized by 13 | the copyright owner that is granting the License. 14 | 15 | "Legal Entity" shall mean the union of the acting entity and all 16 | other entities that control, are controlled by, or are under common 17 | control with that entity. For the purposes of this definition, 18 | "control" means (i) the power, direct or indirect, to cause the 19 | direction or management of such entity, whether by contract or 20 | otherwise, or (ii) ownership of fifty percent (50%) or more of the 21 | outstanding shares, or (iii) beneficial ownership of such entity. 22 | 23 | "You" (or "Your") shall mean an individual or Legal Entity 24 | exercising permissions granted by this License. 25 | 26 | "Source" form shall mean the preferred form for making modifications, 27 | including but not limited to software source code, documentation 28 | source, and configuration files. 29 | 30 | "Object" form shall mean any form resulting from mechanical 31 | transformation or translation of a Source form, including but 32 | not limited to compiled object code, generated documentation, 33 | and conversions to other media types. 34 | 35 | "Work" shall mean the work of authorship, whether in Source or 36 | Object form, made available under the License, as indicated by a 37 | copyright notice that is included in or attached to the work 38 | (an example is provided in the Appendix below). 39 | 40 | "Derivative Works" shall mean any work, whether in Source or Object 41 | form, that is based on (or derived from) the Work and for which the 42 | editorial revisions, annotations, elaborations, or other modifications 43 | represent, as a whole, an original work of authorship. For the purposes 44 | of this License, Derivative Works shall not include works that remain 45 | separable from, or merely link (or bind by name) to the interfaces of, 46 | the Work and Derivative Works thereof. 47 | 48 | "Contribution" shall mean any work of authorship, including 49 | the original version of the Work and any modifications or additions 50 | to that Work or Derivative Works thereof, that is intentionally 51 | submitted to Licensor for inclusion in the Work by the copyright owner 52 | or by an individual or Legal Entity authorized to submit on behalf of 53 | the copyright owner. For the purposes of this definition, "submitted" 54 | means any form of electronic, verbal, or written communication sent 55 | to the Licensor or its representatives, including but not limited to 56 | communication on electronic mailing lists, source code control systems, 57 | and issue tracking systems that are managed by, or on behalf of, the 58 | Licensor for the purpose of discussing and improving the Work, but 59 | excluding communication that is conspicuously marked or otherwise 60 | designated in writing by the copyright owner as "Not a Contribution." 61 | 62 | "Contributor" shall mean Licensor and any individual or Legal Entity 63 | on behalf of whom a Contribution has been received by Licensor and 64 | subsequently incorporated within the Work. 65 | 66 | 2. Grant of Copyright License. Subject to the terms and conditions of 67 | this License, each Contributor hereby grants to You a perpetual, 68 | worldwide, non-exclusive, no-charge, royalty-free, irrevocable 69 | copyright license to reproduce, prepare Derivative Works of, 70 | publicly display, publicly perform, sublicense, and distribute the 71 | Work and such Derivative Works in Source or Object form. 72 | 73 | 3. Grant of Patent License. Subject to the terms and conditions of 74 | this License, each Contributor hereby grants to You a perpetual, 75 | worldwide, non-exclusive, no-charge, royalty-free, irrevocable 76 | (except as stated in this section) patent license to make, have made, 77 | use, offer to sell, sell, import, and otherwise transfer the Work, 78 | where such license applies only to those patent claims licensable 79 | by such Contributor that are necessarily infringed by their 80 | Contribution(s) alone or by combination of their Contribution(s) 81 | with the Work to which such Contribution(s) was submitted. If You 82 | institute patent litigation against any entity (including a 83 | cross-claim or counterclaim in a lawsuit) alleging that the Work 84 | or a Contribution incorporated within the Work constitutes direct 85 | or contributory patent infringement, then any patent licenses 86 | granted to You under this License for that Work shall terminate 87 | as of the date such litigation is filed. 88 | 89 | 4. Redistribution. You may reproduce and distribute copies of the 90 | Work or Derivative Works thereof in any medium, with or without 91 | modifications, and in Source or Object form, provided that You 92 | meet the following conditions: 93 | 94 | (a) You must give any other recipients of the Work or 95 | Derivative Works a copy of this License; and 96 | 97 | (b) You must cause any modified files to carry prominent notices 98 | stating that You changed the files; and 99 | 100 | (c) You must retain, in the Source form of any Derivative Works 101 | that You distribute, all copyright, patent, trademark, and 102 | attribution notices from the Source form of the Work, 103 | excluding those notices that do not pertain to any part of 104 | the Derivative Works; and 105 | 106 | (d) If the Work includes a "NOTICE" text file as part of its 107 | distribution, then any Derivative Works that You distribute must 108 | include a readable copy of the attribution notices contained 109 | within such NOTICE file, excluding those notices that do not 110 | pertain to any part of the Derivative Works, in at least one 111 | of the following places: within a NOTICE text file distributed 112 | as part of the Derivative Works; within the Source form or 113 | documentation, if provided along with the Derivative Works; or, 114 | within a display generated by the Derivative Works, if and 115 | wherever such third-party notices normally appear. The contents 116 | of the NOTICE file are for informational purposes only and 117 | do not modify the License. You may add Your own attribution 118 | notices within Derivative Works that You distribute, alongside 119 | or as an addendum to the NOTICE text from the Work, provided 120 | that such additional attribution notices cannot be construed 121 | as modifying the License. 122 | 123 | You may add Your own copyright statement to Your modifications and 124 | may provide additional or different license terms and conditions 125 | for use, reproduction, or distribution of Your modifications, or 126 | for any such Derivative Works as a whole, provided Your use, 127 | reproduction, and distribution of the Work otherwise complies with 128 | the conditions stated in this License. 129 | 130 | 5. Submission of Contributions. Unless You explicitly state otherwise, 131 | any Contribution intentionally submitted for inclusion in the Work 132 | by You to the Licensor shall be under the terms and conditions of 133 | this License, without any additional terms or conditions. 134 | Notwithstanding the above, nothing herein shall supersede or modify 135 | the terms of any separate license agreement you may have executed 136 | with Licensor regarding such Contributions. 137 | 138 | 6. Trademarks. This License does not grant permission to use the trade 139 | names, trademarks, service marks, or product names of the Licensor, 140 | except as required for reasonable and customary use in describing the 141 | origin of the Work and reproducing the content of the NOTICE file. 142 | 143 | 7. Disclaimer of Warranty. Unless required by applicable law or 144 | agreed to in writing, Licensor provides the Work (and each 145 | Contributor provides its Contributions) on an "AS IS" BASIS, 146 | WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or 147 | implied, including, without limitation, any warranties or conditions 148 | of TITLE, NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A 149 | PARTICULAR PURPOSE. You are solely responsible for determining the 150 | appropriateness of using or redistributing the Work and assume any 151 | risks associated with Your exercise of permissions under this License. 152 | 153 | 8. Limitation of Liability. In no event and under no legal theory, 154 | whether in tort (including negligence), contract, or otherwise, 155 | unless required by applicable law (such as deliberate and grossly 156 | negligent acts) or agreed to in writing, shall any Contributor be 157 | liable to You for damages, including any direct, indirect, special, 158 | incidental, or consequential damages of any character arising as a 159 | result of this License or out of the use or inability to use the 160 | Work (including but not limited to damages for loss of goodwill, 161 | work stoppage, computer failure or malfunction, or any and all 162 | other commercial damages or losses), even if such Contributor 163 | has been advised of the possibility of such damages. 164 | 165 | 9. Accepting Warranty or Additional Liability. While redistributing 166 | the Work or Derivative Works thereof, You may choose to offer, 167 | and charge a fee for, acceptance of support, warranty, indemnity, 168 | or other liability obligations and/or rights consistent with this 169 | License. However, in accepting such obligations, You may act only 170 | on Your own behalf and on Your sole responsibility, not on behalf 171 | of any other Contributor, and only if You agree to indemnify, 172 | defend, and hold each Contributor harmless for any liability 173 | incurred by, or claims asserted against, such Contributor by reason 174 | of your accepting any such warranty or additional liability. 175 | 176 | END OF TERMS AND CONDITIONS 177 | 178 | APPENDIX: How to apply the Apache License to your work. 179 | 180 | To apply the Apache License to your work, attach the following 181 | boilerplate notice, with the fields enclosed by brackets "{}" 182 | replaced with your own identifying information. (Don't include 183 | the brackets!) The text should be enclosed in the appropriate 184 | comment syntax for the file format. We also recommend that a 185 | file or class name and description of purpose be included on the 186 | same "printed page" as the copyright notice for easier 187 | identification within third-party archives. 188 | 189 | Copyright {yyyy} {name of copyright owner} 190 | 191 | Licensed under the Apache License, Version 2.0 (the "License"); 192 | you may not use this file except in compliance with the License. 193 | You may obtain a copy of the License at 194 | 195 | http://www.apache.org/licenses/LICENSE-2.0 196 | 197 | Unless required by applicable law or agreed to in writing, software 198 | distributed under the License is distributed on an "AS IS" BASIS, 199 | WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 200 | See the License for the specific language governing permissions and 201 | limitations under the License. 202 | --------------------------------------------------------------------------------