provide an oauth2 token to a feign clientprovide an oauth2 token to a feign client

The grant specified in RFC 6749, sometimes called two-legged OAuth, can be used to access web-hosted resources by using the identity of an application. Although not strictly necessary, it can help you create a more intuitive experience for your users. OverflowAI: Where Community & AI Come Together, Behind the scenes with the folks building OverflowAI (Ep. I hope this will help: New! This flow is less showy than other OAuth flows as there is no end user or browser to deal with, but is far easier to understand than the more complicated user-centric OAuth 2.0 grant types. This is an example of Spring Cloud Feign and Spring Security OAuth2. The state is used to encode information about the user's state in the app before the authentication request occurred, such as the page or view they were on. :)) The client, the zuul gateway and the resource server are all registered in Eureka. Read the client credentials overview documentation from the Microsoft Authentication Library, More info about Internet Explorer and Microsoft Edge, How to get the tokens needed to call that API, Through an access control list (ACL) at the resource, Through application permission assignment in Azure AD, ensure that assignment requirements are enabled for your app, Microsoft identity platform protocol tutorials, Access token request with a shared secret, Access token request with a federated credential, client credentials overview documentation, The directory tenant that you want to request permission from. You might want to add breakpoint at several point in OAuth2AuthenticationProcessingFilter#doFilter(), and see what's the value you are getting from oauth2 provider, and compare it with the token value that client is using. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. Set Bearer Token with nswag in ASP.NET Core 2.2, Unable to use swagger generated with feign clients with authentication, invalid property, How to provide an OAuth2 token to a Feign client using Spring Security for the client_credentials workflow, Swagger OAuth, how to send bearer token in a different header than "Authorization", "Pure Copyleft" Software Licenses? The user will have called Ext-API previously and among other things will have retrieved a JWT Token. To learn more, see our tips on writing great answers. My approach is to use a RequestInterceptor which injects the current OAuth2 token into the request of the OpenFeign client, by adding an Authorization Bearer header. Then, configure the required app roles by selecting those permissions in your client application's app registration. This is a common use-case so I am sure I must have made a mistake at some point. Making statements based on opinion; back them up with references or personal experience. Maybe there are some other options where I can store my access token in the security context and reliably get it from there, in order not to produce new custom classes? This can be in GUID or friendly name format. What is the least number of concerts needed to be scheduled in order that each musician may listen, as part of the audience, to every other musician? Microservices Communication: Spring Boot + OpenFeign + Client - Medium Then, we export the realm details as feign-realm.json and set the realm file in our application-feign.yml: Now, the authorization server is ready. What is the latent heat of melting for a everyday soda lime glass. However, the OAuth2 protocol is the defacto solution to protect the APIs. I'm trying to solve a puzzle with enabling OAuth2-based authentication for my Feign client that is used for cross-service communication. As its currently written, your answer is unclear. I use Spring 1.3.1-RELEASE and Spring Cloud Brixton.M4. A specific error message that might help you identify the root cause of an authentication error. When operating outside of the context of a HttpServletRequest, use AuthorizedClientServiceOAuth2AuthorizedClientManager instead. The entire client credentials flow looks similar to the following diagram. How can I change elements in a matrix to a combination of other elements? Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. Can a judge or prosecutor be compelled to testify in a criminal trial in which they officiated? 594), Stack Overflow at WeAreDevelopers World Congress in Berlin, Temporary policy: Generative AI (e.g., ChatGPT) is banned, Preview of Search and Question-Asking Powered by GenAI, Spring Cloud Feign with OAuth2RestTemplate, Spring boot : Feign client rest call not working with oauth2, but does work on browser, Spring OAuth Authorization Server behind Spring Cloud Zuul Proxy. Can I use the door leading from Vatican museum to St. Peter's Basilica? Both services are configured OAuth2 to expose to public. Were all of the "good" terminators played by Arnold Schwarzenegger completely separate machines? ", "Pure Copyleft" Software Licenses? Are arguments that Reason is circular themselves circular and/or self refuting? Making statements based on opinion; back them up with references or personal experience. Please, could you help with this or provide an example using feign-hystrix? Behind the scenes with the folks building OverflowAI (Ep. How can I authenticate a system user for scheduled processes in Spring? (with no additional restrictions). An app typically receives direct authorization to access a resource in one of two ways: These two methods are the most common in Azure AD and we recommend them for clients and resources that perform the client credentials flow. Now that we've configured the authorization server, let's set up the resource server. OverflowAI: Where Community & AI Come Together, Enabling OAuth2 with Feign for scheduled cross-service tasks, How to get custom user info from OAuth2 authorization server /user endpoint, Spring Boot / Spring Cloud / Spring Security: How to correctly obtain an OAuth2 Access Token in a scheduled task, Spring @FeignClient , OAuth2 and @Scheduled not working. Feign: Feign Client don't reauthentificate on expired refresh token Oauth2 AVR code - where is Z register pointing to? Access tokens are the thing that applications use to make API requests on behalf of a user. org.springframework.cloud.security.oauth2.client.feign My approach to this is to use OpenFeign to declare the REST Client that consumes the REST API and provide it an OAuth2 token. Trying to use Oauth2 token with feign client and hystrix, Spring Cloud Zuul Doesn't Relay Access Token, Spring cloud Feign OAuth2 request interceptor is not working, Feign Client - Dynamic Authorization Header, Spring Zuul Oauth2 Gateway/Resource Server, Relaying the incoming token downstream to other services, Feign and Spring Security 5 - Client Credentials. This is a very common scenarioand yet, it's often overlooked by tutorials and documentation online. To test the OpenFeign client, let's create the PaymentClientUnitTest class: In this test, we call the getPayments() API. 2. How to provide an OAuth2 token to a Feign client using Spring Security for the client_credentials workflow. The other one just add the Token in the header, it is relayed and finaly the resource server can check it. Now you can request a token for the resource that you want. Making statements based on opinion; back them up with references or personal experience. I tried supplying an OAuth2AuthorizedClientManager as seen in this example (https://github.com/jgrandja/spring-security-oauth-5-2-migrate). Finally, we'll need to specify the target's URI and response type: Is it normal for relative humidity to increase when the attic fan turns on? We describe each of the steps later in this article. If you haven't exposed any app roles in your API's app registration, you won't be able to specify application permissions to that API in your client application's app registration in the Azure portal. How to set the Bearer token in the Python API client generated by Swagger Codegen 3.x? Is it normal for relative humidity to increase when the attic fan turns on? send a video file once and multiple users stream it? OverflowAI: Where Community & AI Come Together. 594), Stack Overflow at WeAreDevelopers World Congress in Berlin, Temporary policy: Generative AI (e.g., ChatGPT) is banned, Preview of Search and Question-Asking Powered by GenAI, Alternative for OAuth2FeignRequestInterceptor that depends on a deprecated class, Spring Cloud Feign with OAuth2RestTemplate, Spring @FeignClient with OAuth2FeignRequestInterceptor not working, Enabling OAuth2 with Feign for scheduled cross-service tasks, Spring boot : Feign client rest call not working with oauth2, but does work on browser, Using @FeignClient with OAuth2Authentication in Javaclient. It seems to me thus, that I absolutely need one to fix this problem - which I don't have in machine-to-machine communcations. Would fixed-wing aircraft still exist if helicopters had been invented (and flown) before them? WW1 soldier in WW2 : how would he get caught? The app itself does call the REST API once every 24h, download the data, and stores it in a database. I didn't find a better way than the initial one and made a custom InternalOAuth2Details to hold a token value obtained from Spring's OAuth services. A different microservice consumes this data at some other point and needs the data to have been refreshed daily. In the client credentials flow, permissions are granted directly to the application itself by an administrator. Asking for help, clarification, or responding to other answers. Especially take a look call around authenticationManager.authenticate(authentication); Thanks for contributing an answer to Stack Overflow! Find centralized, trusted content and collaborate around the technologies you use most. In this scenario, we use the client credential grant type. The application ID that's assigned to your app. When I disable Hystrix using feign.hystrix.enabled: false Atm I'm using regular Rest template. FeignClient is a Declarative REST Client in Spring Boot Web Application. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. The interceptor manages the OAuth2 client and adds the access token to the request. In this tutorial, we are going to prepare a dynamic client registration with the OAuth2.0. And indeed, I did find a simple example to do this with OpenFeign - here: https://github.com/netshoes/sample-feign-oauth2-interceptor/blob/master/src/main/java/com/sample/feign/oauth2/interceptor/OrderFeignClientConfiguration.java. I then went on to study the documentation for Spring Security and the new OAuth2 rewrite, which can be found here: https://docs.spring.io/spring-security/site/docs/5.1.2.RELEASE/reference/htmlsingle/#oauth2client. To what degree of precision are atoms electrically neutral? How common is it for US universities to ask a postdoc to bring their own laptop computer etc.? How to model one section of the mesh and affect other selected parts on the same mesh, On what basis do some translations render hypostasis in Hebrews 1:3 as "substance? We also find out how to secure microservices, especially considering an inter-communication between them with a Feign client. Thanks for contributing an answer to Stack Overflow! subhashlamba/spring-boot-microservice-example - GitHub Behind the scenes with the folks building OverflowAI (Ep. By clicking Post Your Answer, you agree to our terms of service and acknowledge that you have read and understand our privacy policy and code of conduct. 12. After a successful authentication with an external OAuth 2 service, the Authentication object kept in the security context is actually an OAuth2AuthenticationToken which, along with help from OAuth2AuthorizedClientService can avail us with an access token for making requests against the service's API. I have found out that the problem is that Hystrix forces code execution in another thread and so you have no access to request / session scoped beans. The client secret must be URL-encoded before being sent. Connect and share knowledge within a single location that is structured and easy to search. A web application that syncs data from the Microsoft Graph using the identity of the application, instead of on behalf of a user. This is a problem that is quite common, so I assume that machine to machine client_credentials workflow is well documented. If you are actually operating within a web request and still receive this message, your code is probably running outside of DispatcherServlet/DispatcherPortlet: In this case, use RequestContextListener or RequestContextFilter to expose the current request. Do the 2.5th and 97.5th percentile of the theoretical sampling distribution of a statistic always contain the true population parameter? 594), Stack Overflow at WeAreDevelopers World Congress in Berlin, Temporary policy: Generative AI (e.g., ChatGPT) is banned, Preview of Search and Question-Asking Powered by GenAI, Interservice access control without token information, Spring Cloud Feign with OAuth2RestTemplate, Spring @FeignClient with OAuth2FeignRequestInterceptor not working, Spring boot : Feign client rest call not working with oauth2, but does work on browser, Using @FeignClient with OAuth2Authentication in Javaclient, Feign and Spring Security 5 - Client Credentials, How to provide an OAuth2 token to a Feign client using Spring Security for the client_credentials workflow, Communication between microservices using Feign throws bean could not be found, Implement Feign Client with Okta as Authorization Server, My sink is not clogged but water does not drain. And found the simple solution: just add SecurityContextHolder.getContext().authentication principle to your code OAuth2AuthorizeRequest request = OAuth2AuthorizeRequest.withClientRegistrationId(appClientId).build(); Thanks for contributing an answer to Stack Overflow! java - Feign Oauth2 client token exception - Stack Overflow The app can use this token to authenticate to the secured resource, such as to a web API. OverflowAI: Where Community & AI Come Together, Spring @FeignClient with OAuth2FeignRequestInterceptor not working, https://jfconavarrete.wordpress.com/2014/09/15/make-spring-security-context-available-inside-a-hystrix-command/, Behind the scenes with the folks building OverflowAI (Ep. By clicking Post Your Answer, you agree to our terms of service and acknowledge that you have read and understand our privacy policy and code of conduct. How does this answer the question? Finally, we can run the application using the spring.profiles.active=feign option. By clicking Post Your Answer, you agree to our terms of service and acknowledge that you have read and understand our privacy policy and code of conduct. How to Use Feign Client in Spring Boot - JavaToDev Not the answer you're looking for? By clicking Post Your Answer, you agree to our terms of service and acknowledge that you have read and understand our privacy policy and code of conduct. There was an unexpected error (type=Internal Server Error, status=500). My last try looked like this and is to be seen, as a sort of hail mary, kind of approach: This doesn't work because RegisteredOAuth2AuthorizedClient requires a user session, lest it is null. prosecutor. In addition, HttpSecurity.oauth2Client ().authorizationCodeGrant () enables the customization of the Authorization Code grant. 1. My App uses Spring Boot 2.4.2 and Spring Cloud version 2020.0.1. Why do we allow discontinuous conduction mode (DCM)? To sign the user in, follow the Microsoft identity platform protocol tutorials. Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide, The future of collective knowledge sharing. However, as I said, the result was the same enabling sessions. rev2023.7.27.43548. java - add Authorization token using Feign client - Stack Overflow OAuth (Open Authorization) is a simple way to publish and interact with protected data. I hope this article will provide guidance and help you with designing and implementing secure solutions with OAuth2 and Spring Cloud. Why did Dick Stensland laugh in this scene? By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. Why do code answers tend to be given in Python when no language is specified in the prompt? Setting up the Scenario Indicates the token type value. In order for me to be able to consume it, I need to provide an OAuth2 token. In this case, the main parameter of the @FeignClient is the configuration attribute that supports OAuth2 for OpenFeign. Ok so if the other solution doesn't refresh the token if necessary; this is the best solution :) thanks for your contribution, Is there a way, We could use Eureka discovered name instead of hardcoding: resource.setAccessTokenUri(". Microservices with Spring Boot and Spring Cloud. - ITNEXT The following code shows the complete configuration options provided by the . Are modern compilers passing parameters in registers instead of on the stack? Instead of using ACLs, you can use APIs to expose a set of application permissions. I m trying to get feign Client to work over my Oauth2 SSO I have defined a bean interceptor as below @Bean @LoadBalanced RequestInterceptor oauthFeignClient(OAuth2ClientContext oauth2ClientContext, OAuth2ProtectedResourceDetails details). I'm to use this JWT token as auth header to connect to Ext-API from my API and do some more stuff on behalf of the user. Manga where the MC is kicked out of party and uses electric magic on his head to forget things. If you don't know which tenant the user belongs to and you want to let them sign in with any tenant, use. This will block users and applications without assigned roles from being able to get a token for this application. Feign client custom interceptor for JWT token validation, How to send Bearer authorization token using Spring Boot and @FeignClient, Using @FeignClient with OAuth2Authentication in Javaclient, feign.FeignException: status 401 error when REST API using a feign client tries to connect, Feign and Spring Security 5 - Client Credentials, How to provide an OAuth2 token to a Feign client using Spring Security for the client_credentials workflow. Degree. Do the 2.5th and 97.5th percentile of the theoretical sampling distribution of a statistic always contain the true population parameter? Algebraically why must a single square root be done on all terms rather than individually? Let's begin. Are arguments that Reason is circular themselves circular and/or self refuting? By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. How to overwrite Spring Cloud OAuth2 client autoconfiguration? security.oauth2.client.access-token-uri= {your auth token URL}security . Feign Client Setup First, let's create a simple Feign client builder that we'll later enhance with retrying features. I tried extending OAuth2AuthenticationDetails, but the only constructor requires HttpServletRequest which is hard to get inside a scheduled task, and making a dummy instance of it feels like a bad choice. We'll also look under the hood to understand how Spring handles the OAuth2 authorization process. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. The client credentials grant is used when two servers need to communicate with each other outside the context of a user. Then it compares the application against an access control list (ACL) that it maintains. In this situation, we'll need to provide an access token with OpenFeign. And what is a Turbosupercharger? Also, we'll use GsonEncoder and GsonDecoder for encoding and decoding the requests and the responses. Thanks for contributing an answer to Stack Overflow! rev2023.7.27.43548. How to find the shortest path visiting all nodes in a connected graph as MILP? By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. 594), Stack Overflow at WeAreDevelopers World Congress in Berlin, Temporary policy: Generative AI (e.g., ChatGPT) is banned, Preview of Search and Question-Asking Powered by GenAI. Why would a highly advanced society still engage in extensive agriculture? And what is a Turbosupercharger? OAuth2.0 and Dynamic Client Registration (using the Spring - Baeldung But while trying to use three of these (i.e. We'll use a RequestInterceptor, which injects the OAuth2 access token into the request of the OpenFeign clientby adding an Authorization Bearer header. Feign is one of the best HTTP clients which we could use with Spring boot to communicate with third-party REST APIs. The resource server validates the access token, and if valid, serves the request. A Node.js application that displays the users of a tenant by querying the Microsoft Graph using the identity of the application. Using JHipster UAA for Microservice Security