What is UsernamePasswordAuthenticationToken Spring Security?

Contents show

The UsernamePasswordAuthenticationToken is an implementation of interface Authentication which extends the interface Principal . Principal is defined in the JSE java. security . UsernamePasswordAuthenticationToken is a concept in Spring Security which implements the Principal interface.

What are the types of Spring Security?

Spring Security Features

  • Authorization.
  • Single sign-on.
  • Software Localization.
  • Remember-me.
  • LDAP (Lightweight Directory Access Protocol)
  • JAAS (Java Authentication and Authorization Service) LoginModule.
  • Web Form Authentication.
  • Digest Access Authentication.

What do you mean by Spring Security?

What is Spring Security? Spring Security is a framework that focuses on providing authentication and authorization mechanisms to Spring applications. It was started in 2003 as an open-source project under the name of “Acegi Security” before officially being included in Spring Projects.

What is AuthenticationProvider in Spring Security?

The Authentication Provider

Spring Security provides a variety of options for performing authentication. These options follow a simple contract; an Authentication request is processed by an AuthenticationProvider, and a fully authenticated object with full credentials is returned.

How does a SecurityContextHolder work?

The SecurityContextHolder is a helper class, which provide access to the security context. By default, it uses a ThreadLocal object to store security context, which means that the security context is always available to methods in the same thread of execution, even if you don’t pass the SecurityContext object around.

What is and () in Spring Security?

Basically and() method is used to concatenate multiple configurer of Spring Security You can refer attached image to understand more clearly. Follow this answer to receive notifications. answered Aug 11, 2020 at 7:39. Ram Chhabra.

Why Spring Security is used?

Spring Security is the primary choice for implementing application-level security in Spring applications. Generally, its purpose is to offer you a highly customizable way of implementing authentication, authorization, and protection against common attacks.

How do I allow URL in Spring Security?

When we add Spring Security to the project, it will disable access to all APIs by default. So we’ll need to configure Spring Security to allow access to the APIs.

4. Set Up the Security Configuration

  1. 4.1. Allowing Requests to the Products API.
  2. 4.2. Allow Only Admin Access to the Customer API.
  3. 4.3. Default Rule.
IT IS INTERESTING:  What move bypasses protect?

What is filter in Spring Security?

Spring Security maintains a filter chain internally where each of the filters has a particular responsibility and filters are added or removed from the configuration depending on which services are required. The ordering of the filters is important as there are dependencies between them.

What is AuthenticationManagerBuilder in Spring Security?

AuthenticationManagerBuilder. parentAuthenticationManager(AuthenticationManager authenticationManager) Allows providing a parent AuthenticationManager that will be tried if this AuthenticationManager was unable to attempt to authenticate the provided Authentication . protected ProviderManager.

What is use of @ComponentScan?

The @ComponentScan annotation is used with the @Configuration annotation to tell Spring the packages to scan for annotated components. @ComponentScan also used to specify base packages and base package classes using thebasePackageClasses or basePackages attributes of @ComponentScan.

How do I set authentication in SecurityContextHolder?

To, let’s manually trigger authentication and then set the resulting Authentication object into the current SecurityContext used by the framework to hold the currently logged-in user: UsernamePasswordAuthenticationToken authReq = new UsernamePasswordAuthenticationToken(user, pass); Authentication auth = authManager.

How can I tell if someone is logged-in spring?

How to Get the Current Logged-In Username in Spring Security

  1. Object principal = SecurityContextHolder. getContext(). getAuthentication(). getPrincipal();
  2. if (principal instanceof UserDetails) {
  3. String username = ((UserDetails)principal). getUsername();
  4. } else {
  5. String username = principal. toString();
  6. }

What is anyRequest () authenticated ()?

anyRequest(). authenticated() is that any request must be authenticated otherwise my Spring app will return a 401 response.

Is Anonymous () Spring Security?

Spring Security’s anonymous authentication just gives you a more convenient way to configure your access-control attributes. Calls to servlet API calls such as getCallerPrincipal , for example, will still return null even though there is actually an anonymous authentication object in the SecurityContextHolder .

How do I start Spring Security?


  1. About 30 minutes.
  2. Basic Spring Security knowledge.
  3. A Basic understanding of the Apache Solr Database.
  4. A java based IDE (Eclipse, STS or IntelliJ IDEA)
  5. JDK 1.8 or later.
  6. Gradle 4+ or Maven 3.2+
  7. Apache Solr installed.

What is OAuth and JWT?

Basically, JWT is a token format. OAuth is an standardised authorization protocol that can use JWT as a token. OAuth uses server-side and client-side storage. If you want to do real logout you must go with OAuth2.

How JWT token works in Microservices?

For Authorization, the Microservice would need the JWT access token to be passed to it. It can then verify the JWT token & extract the user roles from the claims & accordingly allow/deny the request for the concerned endpoint.

What is the use of antMatchers?

The antMatchers() is a Springboot HTTP method used to configure the URL paths from which the Springboot application security should permit requests based on the user’s roles. The antmatchers() method is an overloaded method that receives both the HTTP request methods and the specific URLs as its arguments.

How do I assign a role to a user in Spring Security?

Spring Security Add Roles to User Examples

  1. Code for User and Role Entity Classes & Repositories. Code the User entity class as follows:
  2. Unit Test – Create Roles.
  3. Unit Test – Add Roles to User.
  4. Set Default Role for User in Registration.
  5. Assign Roles for User in Web Form.

How do I disable Defaultsecurityfilterchain?

In application. properties , set security. ignored=none .

What is the use of WebSecurityConfigurerAdapter?

WebSecurityConfigurerAdapter is a convenience class that allows customization to both WebSecurity and HttpSecurity. We can extend WebSecurityConfigurerAdapter multiple times (in distinct objects) to replicate the behavior of having multiple http elements.

How do authentication providers work?

Authentication is the mechanism by which callers prove that they are acting on behalf of specific users or systems. Authentication answers the question, “Who are you?” using credentials such as username/password combinations.

IT IS INTERESTING:  Do women's rash guards have built in bras?

How does Spring authentication Manager work?

Spring Boot provides a default global AuthenticationManager (with only one user) unless you pre-empt it by providing your own bean of type AuthenticationManager . The default is secure enough on its own for you not to have to worry about it much, unless you actively need a custom global AuthenticationManager .

What is @EnableWebSecurity?

The @EnableWebSecurity is a marker annotation. It allows Spring to find (it’s a @Configuration and, therefore, @Component ) and automatically apply the class to the global WebSecurity . If I don’t annotate any of my class with @EnableWebSecurity still the application prompting for username and password.

What is OncePerRequestFilter Spring boot?

public abstract class OncePerRequestFilter extends GenericFilterBean. Filter base class that aims to guarantee a single execution per request dispatch, on any servlet container. It provides a doFilterInternal(javax. servlet. http.

Where @autowired can be used?

You can use @Autowired annotation on setter methods to get rid of the element in XML configuration file. When Spring finds an @Autowired annotation used with setter methods, it tries to perform byType autowiring on the method.

What is difference between @autowired and @inject?

@Inject and @Autowired both annotations are used for autowiring in your application. @Inject annotation is part of Java CDI which was introduced in Java 6, whereas @Autowire annotation is part of spring framework. Both annotations fulfill same purpose therefore, anything of these we can use in our application.

How do you validate a JWT?

To verify JWT claims

Verify that the token is not expired. The aud claim in an ID token and the client_id claim in an access token should match the app client ID that was created in the Amazon Cognito user pool. The issuer ( iss ) claim should match your user pool.

What is SSO username?

Single sign-on (SSO) is a session and user authentication service that permits a user to use one set of login credentials — for example, a name and password — to access multiple applications.

What is SecurityContextHolder in Spring?

The SecurityContextHolder is a helper class, which provide access to the security context. By default, it uses a ThreadLocal object to store security context, which means that the security context is always available to methods in the same thread of execution, even if you don’t pass the SecurityContext object around.

How do I allow all requests in Spring Security?

In the above method chain,

  1. authorizeRequests() instructs spring security to restrict requests based on URL patterns and/or user roles.
  2. anyRequest() configures all requests to be authorized irrespective of URL patterns.
  3. permitAll() is applied to permit or allow all requests.

What is SimpleGrantedAuthority in Java?

Class SimpleGrantedAuthority

Stores a String representation of an authority granted to the Authentication object. See Also: Serialized Form.

What is Authentication and authorization in Spring Security?

Authentication is the process of knowing and identifying the user that wants to access. ADVERTISEMENT. ADVERTISEMENT. Authorization is the process to allow authority to perform actions in the application. We can apply authorization to authorize web request, methods and access to individual domain.

What is hasRole and hasAnyRole?

Description. hasRole([role]) Returns true if the current principal has the specified role. hasAnyRole([role1,role2]) Returns true if the current principal has any of the supplied roles (given as a comma-separated list of strings)

What is the use of AbstractSecurityWebApplicationInitializer?

AbstractSecurityWebApplicationInitializer. Creates a new instance that assumes the Spring Security configuration is loaded by some other means than this class. For example, a user might create a ContextLoaderListener using a subclass of AbstractContextLoaderInitializer .

What is anonymous authentication?

Anonymous authentication gives users access to the public areas of your Web or FTP site without prompting them for a user name or password. By default, the IUSR account, which was introduced in IIS 7.0 and replaces the IIS 6.0 IUSR_computername account, is used to allow anonymous access.

IT IS INTERESTING:  Which of the following protects your skin from harmful sun rays?

Should REST API always return 200?

However, they told me specifiying status code like 400, 404, 300, is part of RESTful API, and returning always 200 is the right status code because the server responded and it is alive. APIs, always have to return 200 except 500. Because when the server dies, it can’t return anything.

How many types of authentication are there in REST API?

There are three types of persistence for authentication: Stateless and Session. The user information is stored in a token which is signed, encrypted, and stored in a Cookie. Once the user logs in, the user identification is contained in the session.

What are levels of security in spring?

Apart from authentication, spring security also check authorization of the logged in user. After login which user is authorize to access the resource is done on the bases of user’s ROLE. At the time of creating user in WebSecurityConfig class, we can specify user?

What is OAuth and JWT?

Basically, JWT is a token format. OAuth is an standardised authorization protocol that can use JWT as a token. OAuth uses server-side and client-side storage. If you want to do real logout you must go with OAuth2.

Is JWT same as OAuth2?

JWT and OAuth2 are entirely different and serve different purposes, but they are compatible and can be used together. The OAuth2 protocol does not specify the format of the tokens, therefore JWTs can be incorporated into the usage of OAuth2.

Is JWT good for microservices?

JWT Authentication Gateway provides very a useful approach for securing Microservices applications with minimal impact to the Microservices code. Thus, application developers can focus on the core business logic without worrying about the security mechanism that guards the application.

How JWT works with API gateway?

To authenticate a user, a client application must send a JSON Web Token (JWT) in the authorization header of the HTTP request to your backend API. API Gateway validates the token on behalf of your API, so you don’t have to add any code in your API to process the authentication.

What is @PreAuthorize annotation in Spring?

So, predicates can be written using SpEL (Spring Expression Language). The @PreAuthorize annotation checks the given expression before entering the method, whereas the @PostAuthorize annotation verifies it after the execution of the method and could alter the result.

What is @RolesAllowed?

@RolesAllowed(” list-of-roles “): Specifies the security roles permitted to access methods in an application. This annotation can be specified on a class or on one or more methods.

What is the difference between antMatchers and Mvcmatchers?

antMatcher(String antPattern) – Allows configuring the HttpSecurity to only be invoked when matching the provided ant pattern. mvcMatcher(String mvcPattern) – Allows configuring the HttpSecurity to only be invoked when matching the provided Spring MVC pattern. Generally mvcMatcher is more secure than an antMatcher .

What is difference between hasRole and hasAuthority?

The main difference is that roles have special semantics. Starting with Spring Security 4, the ‘ROLE_’ prefix is automatically added (if it’s not already there) by any role related method. So hasAuthority(‘ROLE_ADMIN’) is similar to hasRole(‘ADMIN’) because the ‘ROLE_’ prefix gets added automatically.

What is the use of logoutRequestMatcher?

logoutRequestMatcher – the RequestMatcher used to determine if logout should occur.

What is Spring ACL?

Spring Security Access Control List is a Spring component which supports Domain Object Security. Simply put, Spring ACL helps in defining permissions for specific user/role on a single domain object – instead of across the board, at the typical per-operation level.