What is AntPathMatcher?

The AntPathMatcher was an implementation of Ant-style path pattern matching. PathPatternParser breaks the path into a linked list of PathElements. This chain of PathElements is taken by the PathPattern class for quick matching of patterns.

What is Ant matcher?

Here is the website Apache Ant Home and in Spring Doc for AntPathMatcher it says “Part of this mapping code has been kindly borrowed from Apache Ant.” So “antMatchers” means an implementation of Ant-style path patterns in mappings. Follow this answer to receive notifications.

What is antMatchers Spring Security?

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.

Is AntPathMatcher thread safe?

AntPathMatcher is thread-safe. Sharing an instance is perfectly fine.

How do I use WebSecurityConfigurerAdapter?

WebSecurityConfigurerAdapter

1. Require the user to be authenticated prior to accessing any URL within our application.
2. Create a user with the username “user”, password “password”, and role of “ROLE_USER”
3. Enables HTTP Basic and Form based authentication.

What is hasRole and hasAnyRole?

hasRole, hasAnyRole. These expressions are responsible for defining the access control or authorization to specific URLs or methods in your application. Let’s look at the example: @Override protected void configure(final HttpSecurity http) throws Exception { . antMatchers(“/auth/admin/*”).

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.

Why is Spring Security hard?

The thing with Spring Security is: It is difficult. Not because it is poorly designed or could be easier to use, but because of the complexity of its domain: Application security. Complex problems require technically sophisticated solutions, and security is one of them.

What is ACL in Spring Security?

1. Introduction. Access Control List (ACL) is a list of permissions attached to an object. An ACL specifies which identities are granted which operations on a given object. Spring Security Access Control List is a Spring component which supports Domain Object Security.

Why is the usage of mvcMatcher recommended over antMatcher?

Generally mvcMatcher is more secure than an antMatcher . As an example: antMatchers(“/secured”) matches only the exact /secured URL. mvcMatchers(“/secured”) matches /secured as well as /secured/ , /secured.

Can we have multiple WebSecurityConfigurerAdapter?

When using Java configuration, the way to define multiple security realms is to have multiple @Configuration classes that extend the WebSecurityConfigurerAdapter base class – each with its own security configuration. These classes can be static and placed inside the main config.

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 @EnableGlobalMethodSecurity?

EnableGlobalMethodSecurity provides AOP security on methods. Some of the annotations that it provides are PreAuthorize , PostAuthorize . It also has support for JSR-250. There are more parameters in the configuration for you. For your needs, it’s better to mix the two.

How secure is Spring?

Spring Security framework supports wide range of authentication models. These models either provided by third parties or framework itself. Spring Security supports integration with all of these technologies. The beauty of this framework is its flexible authentication nature to integrate with any software solution.

How does JWT work with Spring Security?

We expose a public POST API for the authentication, and upon passing the correct credentials, it will generate a JWT. If a user tries to access the protected API, it will allow access only if a request has a valid JWT. Validation will happen in the filter registered in the Spring Security filter chain.

What is the difference between DAC and RBAC?

DAC definitions are typically attached to the data/resource, whereas RBAC is usually defined in two places: in code/configuration/metadata (the roles access), and on the user object (or table – the roles each user has).

What is security filter chain?

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 difference between Antmatchers and Mvcmatchers?

What do @preauthorized and @RolesAllowed do what is the difference between them?

The difference is that @Secured is a Spring specific annotaiton while @RolesAllowed is a Java standard annotation (JSR250). Neither one of these annotation support SpEL. @PreAuthorize is another Spring specific annotation. You can perform a lot more powerful operations with @PreAuthorize using SpEL.