How to Troubleshoot Multiple HTTP Configs in Spring Security When Only One Works?

Multiple HTTP Configs in Spring Security: Troubleshooting

You are encountering an issue with using multiple HTTP configs in Spring Security, specifically with securing different URLs and login pages. Here's a breakdown of the problem and its solution:

Problem:
You have configured two HTTP configs, one for admin access and the other for consumer access. However, only the admin security is working, while pages under /consumer/** remain unsecured with no login redirects.

Solution:
To resolve this issue, the key is understanding the order of evaluation in Spring Security:

1. Authentication Management: Configure AuthenticationManagerBuilder for user credentials.

2. Multiple HTTP Security Configurations:

   • Create multiple inner classes that extend WebSecurityConfigurerAdapter, each with its own @Order annotation to specify priority.
   • Use antMatcher to restrict the applicability of each HttpSecurity configuration to specific URLs.

3. URL Priority:

   • The HttpSecurity configuration with the highest @Order value (or a default of "last") will be applied first.
   • If no antMatcher is specified, the configuration will apply to all URLs (/**).

4. Configuration Structure:

   • The first configuration in your case is matching all URLs (/**), meaning it is catching all requests.
   • Since it only secures /admin/, other URLs (including /consumer/) are implicitly permitted.
   • The second configuration is thus never reached.

To fix the issue, ensure that the consumer security configuration is evaluated first by giving it a higher @Order value. Additionally, specify the antMatcher for both configurations to limit their applicability to the desired URLs.

By following these steps, you can configure multiple HTTP security configs effectively and secure different URL groups in your Spring Security application.

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